Complete Bipartitions, Actual Odd Cycles and Isolated-Vertex Boundaries

This batch has passed Schema, deduplication, source-snapshot, and independent-answer recomputation checks; it is still not marked as human-reviewed.

This question bank has corresponding bilingual step-by-step derivations. Source candidate and English ai_candidate states are retained. AI review, finite computation and Lean formal proof are labelled separately.

batch-20261014-advance-20261031-r02-bipartite-graph-foundations · 2026-10-14 · 100 questions

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

1. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 0, 0, 0, 0], [[0, 1], [1, 2], [2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 0, 0, 0, 0], [[0, 1], [1, 2], [2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

2. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 0, 0, 0, 0, 0], [[1, 2], [2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 0, 0, 0, 0, 0], [[1, 2], [2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

3. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 1, 0, 0, 0, 0], [[2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 1, 0, 0, 0, 0], [[2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

4. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 1, 0, 0, 0, 0], [[0, 1], [2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 1, 0, 0, 0, 0], [[0, 1], [2, 3], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

5. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 1, 0, 0, 0], [[0, 1], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 1, 0, 0, 0], [[0, 1], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

6. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 0, 1, 0, 0, 0], [[3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 0, 1, 0, 0, 0], [[3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

7. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 1, 1, 0, 0, 0], [[1, 2], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 1, 1, 0, 0, 0], [[1, 2], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

8. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 1, 1, 0, 0, 0], [[0, 1], [1, 2], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 1, 1, 0, 0, 0], [[0, 1], [1, 2], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

9. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 0, 1, 0, 0], [[0, 1], [1, 2]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 0, 1, 0, 0], [[0, 1], [1, 2]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

10. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 0, 0, 1, 0, 0], [[1, 2]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 0, 0, 1, 0, 0], [[1, 2]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

11. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 1, 0, 1, 0, 0], [], Yes, bipartition_certificate)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 1, 0, 1, 0, 0], [], Yes, bipartition_certificate).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

12. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 1, 0, 1, 0, 0], [[0, 1]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 1, 0, 1, 0, 0], [[0, 1]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

13. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 1, 1, 0, 0], [[0, 1], [2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 1, 1, 0, 0], [[0, 1], [2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

14. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 0, 1, 1, 0, 0], [[2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 0, 1, 1, 0, 0], [[2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

15. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 1, 1, 1, 0, 0], [[1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 1, 1, 1, 0, 0], [[1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

16. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 1, 1, 1, 0, 0], [[0, 1], [1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 1, 1, 1, 0, 0], [[0, 1], [1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

17. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 0, 0, 1, 0], [[0, 1], [1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 0, 0, 1, 0], [[0, 1], [1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

18. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 0, 0, 0, 1, 0], [[1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 0, 0, 0, 1, 0], [[1, 2], [2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

19. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 1, 0, 0, 1, 0], [[2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 1, 0, 0, 1, 0], [[2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

20. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 1, 0, 0, 1, 0], [[0, 1], [2, 3]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 1, 0, 0, 1, 0], [[0, 1], [2, 3]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

21. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 1, 0, 1, 0], [[0, 1]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 1, 0, 1, 0], [[0, 1]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

22. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 0, 1, 0, 1, 0], [], Yes, bipartition_certificate)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 0, 1, 0, 1, 0], [], Yes, bipartition_certificate).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

23. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 1, 1, 0, 1, 0], [[1, 2]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 1, 1, 0, 1, 0], [[1, 2]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

24. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([1, 1, 1, 0, 1, 0], [[0, 1], [1, 2]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([1, 1, 1, 0, 1, 0], [[0, 1], [1, 2]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

25. Audit This Bipartition without Misclassifying the Entire Graph

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 1, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. Give (parts,conflicting_edges,proper?,classification). List all same-part edges in normalized edge order. Classification is bipartition_certificate or this_partition_fails_not_nonbipartite_proof.

View answer and explanation

([0, 0, 0, 1, 1, 0], [[0, 1], [1, 2], [3, 4]], No, this_partition_fails_not_nonbipartite_proof)

Check both endpoints of every complete edge. A passing assignment is a bipartition certificate. A failing assignment may be replaced by a different valid assignment; an odd-cycle witness is a separate obstruction. The exact result, retaining the requested order, is ([0, 0, 0, 1, 1, 0], [[0, 1], [1, 2], [3, 4]], No, this_partition_fails_not_nonbipartite_proof).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-partition-audit · candidate

26. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

27. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=1 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(1, [1, 2], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (1, [1, 2], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

28. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=2 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(2, [2, 3], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (2, [2, 3], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

29. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=3 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(3, [3, 4], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (3, [3, 4], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

30. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

31. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=1 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(1, [1, 2], 0, 1, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (1, [1, 2], 0, 1, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

32. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=2 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(2, [2, 3], 1, 0, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (2, [2, 3], 1, 0, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

33. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=3 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(3, [3, 4], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (3, [3, 4], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

34. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

35. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=1 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(1, [1, 2], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (1, [1, 2], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

36. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=2 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(2, [2, 3], 0, 1, Yes, Yes)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (2, [2, 3], 0, 1, Yes, Yes).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

37. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=3 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(3, [3, 4], 1, 0, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (3, [3, 4], 1, 0, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

38. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

39. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=1 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(1, [1, 2], 0, 1, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (1, [1, 2], 0, 1, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

40. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=2 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(2, [2, 3], 1, 1, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (2, [2, 3], 1, 1, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

41. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=3 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(3, [3, 4], 1, 0, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (3, [3, 4], 1, 0, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

42. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

43. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=1 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(1, [1, 2], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (1, [1, 2], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

44. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=2 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(2, [2, 3], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (2, [2, 3], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

45. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=3 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(3, [3, 4], 0, 1, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (3, [3, 4], 0, 1, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

46. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

47. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=1 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(1, [1, 2], 0, 1, Yes, Yes)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (1, [1, 2], 0, 1, Yes, Yes).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

48. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=2 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(2, [2, 3], 1, 0, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (2, [2, 3], 1, 0, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

49. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=3 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(3, [3, 4], 0, 1, Yes, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (3, [3, 4], 0, 1, Yes, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

50. One Edge Crossing Is Separate from the Whole Partition Audit

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 1, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. edge_index=0 selects the normalized sorted edge list, not the raw input order. Give (edge_index,edge,left_part,right_part,crosses?,whole_partition_proper?).

View answer and explanation

(0, [0, 1], 0, 0, No, No)

Read the selected normalized edge and report its two part labels, then retain the independent all-edge properness flag. One crossing edge cannot certify all remaining edges. The exact result, retaining the requested order, is (0, [0, 1], 0, 0, No, No).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-edge-crossing · candidate

51. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

52. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

53. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [4, 5]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

54. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [4, 5]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

55. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 5]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

56. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [3, 5]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

57. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [4, 5], [3, 5]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

58. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [4, 5], [3, 5]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

59. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

60. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

61. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [4, 5], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

62. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [4, 5], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

63. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 5], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

64. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [3, 5], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

65. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [4, 5], [3, 5], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

66. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [4, 5], [3, 5], [0, 3]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

67. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

68. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

69. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [4, 5], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

70. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [4, 5], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

71. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 5], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

72. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [3, 5], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

73. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [4, 5], [3, 5], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

74. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [3, 4], [4, 5], [3, 5], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

75. An Actual Simple Odd Cycle Certifies Nonbipartiteness

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [0, 2], [0, 3], [1, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. Ordered cycle vertices=[0, 1, 2], with the closing edge from the last back to the first implicit. Vertices must be distinct, the cycle length odd and at least 3, and every cycle edge present. Give (cycle,cycle_edges,length,certificate?,odd_cycle_proves_nonbipartite). Normalize each edge's endpoints but retain traversal order in cycle_edges.

View answer and explanation

([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite)

Alternating between two parts around an odd cycle cannot return consistently to the initial part. The certificate requires the full actual cycle, not merely a failed candidate partition or an incomplete walk. The exact result, retaining the requested order, is ([0, 1, 2], [[0, 1], [1, 2], [0, 2]], 3, Yes, odd_cycle_proves_nonbipartite).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-odd-cycle · candidate

76. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

77. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

78. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

79. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

80. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

81. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

82. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

83. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 0, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

84. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

85. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

86. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, Yes, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, Yes, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

87. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

88. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

89. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

90. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

91. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 1, 0, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

92. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

93. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

94. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

95. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 0, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

96. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

97. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 0, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, Yes, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, Yes, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

98. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 1, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

99. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[1, 1, 1, 0, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

100. Isolated Vertices Still Belong to Exactly One Part

Use the complete finite undirected loop-free simple graph on Fin(6)={0,…,5} with edges=[[0, 1], [1, 2], [2, 3], [3, 4]]. Normalize each edge increasingly, then sort edges lexicographically; reversed duplicates and loops are forbidden. Keep isolated vertices in the carrier. No directed-graph conclusion is inferred. The total part assignment=[0, 0, 0, 1, 1, 0] uses labels 0 or 1 for every vertex. Its two inverse-image parts are disjoint and cover the whole carrier. Every edge must cross parts; empty parts are allowed in an edgeless graph. Failure of this assignment alone does not prove the graph nonbipartite. vertex=5 must be isolated. Give (vertex,incident_edges,assigned_part,whole_partition_proper?,isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

View answer and explanation

(5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph)

Confirm there are no incident edges before reading the part of this vertex. It can be assigned either part without affecting edge constraints, but it must not be omitted from the total assignment. The exact result, retaining the requested order, is (5, [], 0, No, isolated_vertex_may_be_in_either_part_and_empty_part_allowed_for_edgeless_graph).

Reviewed step-by-step derivation

Bipartite graph · qf-mod31-bipartite-isolated-boundary · candidate

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