Binary Relation Foundations
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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-20261003-advance-20261004-r03-relation-foundations · 2026-10-03 · 100 questions
This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.
1. Ordered-Pair Membership in a Binary Relation
The binary relation has source A=∅, target B=∅, and R=∅⊆A×B. Does the ordered pair (0, 1) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
2. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={0}, target B={1}, and R=∅⊆A×B. Does the ordered pair (1, 0) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
3. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-10, -9, -8}, target B={-6, -5, -4}, and R={(-10, -6), (-10, -5)}⊆A×B. Does the ordered pair (-8, -6) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
4. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-9, -8, -7}, target B={-5, -4, -3}, and R={(-9, -4), (-8, -4)}⊆A×B. Does the ordered pair (-9, -4) belong to R?
View answer and explanation
Yes
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives Yes.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
5. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-8, -7, -6}, target B={-4, -3, -2}, and R={(-8, -4), (-7, -3), (-6, -2)}⊆A×B. Does the ordered pair (-4, -8) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
6. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-7, -6, -5}, target B={-3, -2, -1}, and R={(-6, -3), (-5, -2)}⊆A×B. Does the ordered pair (-5, -3) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
7. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-6, -5, -4}, target B={-2, -1, 0}, and R=∅⊆A×B. Does the ordered pair (-6, -2) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
8. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-5, -4, -3}, target B={-1, 0, 1}, and R={(-5, -1)}⊆A×B. Does the ordered pair (-1, -5) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
9. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-4, -3, -2}, target B={0, 1, 2}, and R={(-4, 0), (-4, 1)}⊆A×B. Does the ordered pair (-2, 0) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
10. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-3, -2, -1}, target B={1, 2, 3}, and R={(-3, 2), (-2, 2)}⊆A×B. Does the ordered pair (-3, 2) belong to R?
View answer and explanation
Yes
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives Yes.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
11. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-2, -1, 0}, target B={2, 3, 4}, and R={(-2, 2), (-1, 3), (0, 4)}⊆A×B. Does the ordered pair (2, -2) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
12. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={-1, 0, 1}, target B={3, 4, 5}, and R={(0, 3), (1, 4)}⊆A×B. Does the ordered pair (1, 3) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
13. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={0, 1, 2}, target B={4, 5, 6}, and R=∅⊆A×B. Does the ordered pair (0, 4) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
14. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={1, 2, 3}, target B={5, 6, 7}, and R={(1, 5)}⊆A×B. Does the ordered pair (5, 1) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
15. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={2, 3, 4}, target B={6, 7, 8}, and R={(2, 6), (2, 7)}⊆A×B. Does the ordered pair (4, 6) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
16. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={3, 4, 5}, target B={7, 8, 9}, and R={(3, 8), (4, 8)}⊆A×B. Does the ordered pair (3, 8) belong to R?
View answer and explanation
Yes
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives Yes.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
17. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={4, 5, 6}, target B={8, 9, 10}, and R={(4, 8), (5, 9), (6, 10)}⊆A×B. Does the ordered pair (8, 4) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
18. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={5, 6, 7}, target B={9, 10, 11}, and R={(6, 9), (7, 10)}⊆A×B. Does the ordered pair (7, 9) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
19. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={6, 7, 8}, target B={10, 11, 12}, and R=∅⊆A×B. Does the ordered pair (6, 10) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
20. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={7, 8, 9}, target B={11, 12, 13}, and R={(7, 11)}⊆A×B. Does the ordered pair (11, 7) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
21. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={8, 9, 10}, target B={12, 13, 14}, and R={(8, 12), (8, 13)}⊆A×B. Does the ordered pair (10, 12) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
22. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={9, 10, 11}, target B={13, 14, 15}, and R={(9, 14), (10, 14)}⊆A×B. Does the ordered pair (9, 14) belong to R?
View answer and explanation
Yes
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives Yes.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
23. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={10, 11, 12}, target B={14, 15, 16}, and R={(10, 14), (11, 15), (12, 16)}⊆A×B. Does the ordered pair (14, 10) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
24. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={11, 12, 13}, target B={15, 16, 17}, and R={(12, 15), (13, 16)}⊆A×B. Does the ordered pair (13, 15) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
25. Ordered-Pair Membership in a Binary Relation
The binary relation has source A={12, 13, 14}, target B={16, 17, 18}, and R=∅⊆A×B. Does the ordered pair (12, 16) belong to R?
View answer and explanation
No
Compare the entire ordered pair with the declared relation, keeping component order. Membership gives No.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-pair-membership · candidate
26. First Projection of a Binary Relation
The binary relation has source A=∅, target B=∅, and R=∅⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
∅
Collect only first components that actually occur in R. Dom(R)=∅; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
27. First Projection of a Binary Relation
The binary relation has source A={0}, target B={1}, and R=∅⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
∅
Collect only first components that actually occur in R. Dom(R)=∅; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
28. First Projection of a Binary Relation
The binary relation has source A={-10, -9, -8}, target B={-6, -5, -4}, and R={(-10, -6), (-10, -5)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-10}
Collect only first components that actually occur in R. Dom(R)={-10}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
29. First Projection of a Binary Relation
The binary relation has source A={-9, -8, -7}, target B={-5, -4, -3}, and R={(-9, -4), (-8, -4)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-9, -8}
Collect only first components that actually occur in R. Dom(R)={-9, -8}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
30. First Projection of a Binary Relation
The binary relation has source A={-8, -7, -6}, target B={-4, -3, -2}, and R={(-8, -4), (-7, -3), (-6, -2)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-8, -7, -6}
Collect only first components that actually occur in R. Dom(R)={-8, -7, -6}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
31. First Projection of a Binary Relation
The binary relation has source A={-7, -6, -5}, target B={-3, -2, -1}, and R={(-6, -3), (-5, -2)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-6, -5}
Collect only first components that actually occur in R. Dom(R)={-6, -5}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
32. First Projection of a Binary Relation
The binary relation has source A={-6, -5, -4}, target B={-2, -1, 0}, and R=∅⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
∅
Collect only first components that actually occur in R. Dom(R)=∅; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
33. First Projection of a Binary Relation
The binary relation has source A={-5, -4, -3}, target B={-1, 0, 1}, and R={(-5, -1)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-5}
Collect only first components that actually occur in R. Dom(R)={-5}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
34. First Projection of a Binary Relation
The binary relation has source A={-4, -3, -2}, target B={0, 1, 2}, and R={(-4, 0), (-4, 1)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-4}
Collect only first components that actually occur in R. Dom(R)={-4}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
35. First Projection of a Binary Relation
The binary relation has source A={-3, -2, -1}, target B={1, 2, 3}, and R={(-3, 2), (-2, 2)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-3, -2}
Collect only first components that actually occur in R. Dom(R)={-3, -2}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
36. First Projection of a Binary Relation
The binary relation has source A={-2, -1, 0}, target B={2, 3, 4}, and R={(-2, 2), (-1, 3), (0, 4)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{-2, -1, 0}
Collect only first components that actually occur in R. Dom(R)={-2, -1, 0}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
37. First Projection of a Binary Relation
The binary relation has source A={-1, 0, 1}, target B={3, 4, 5}, and R={(0, 3), (1, 4)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{0, 1}
Collect only first components that actually occur in R. Dom(R)={0, 1}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
38. First Projection of a Binary Relation
The binary relation has source A={0, 1, 2}, target B={4, 5, 6}, and R=∅⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
∅
Collect only first components that actually occur in R. Dom(R)=∅; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
39. First Projection of a Binary Relation
The binary relation has source A={1, 2, 3}, target B={5, 6, 7}, and R={(1, 5)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{1}
Collect only first components that actually occur in R. Dom(R)={1}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
40. First Projection of a Binary Relation
The binary relation has source A={2, 3, 4}, target B={6, 7, 8}, and R={(2, 6), (2, 7)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{2}
Collect only first components that actually occur in R. Dom(R)={2}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
41. First Projection of a Binary Relation
The binary relation has source A={3, 4, 5}, target B={7, 8, 9}, and R={(3, 8), (4, 8)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{3, 4}
Collect only first components that actually occur in R. Dom(R)={3, 4}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
42. First Projection of a Binary Relation
The binary relation has source A={4, 5, 6}, target B={8, 9, 10}, and R={(4, 8), (5, 9), (6, 10)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{4, 5, 6}
Collect only first components that actually occur in R. Dom(R)={4, 5, 6}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
43. First Projection of a Binary Relation
The binary relation has source A={5, 6, 7}, target B={9, 10, 11}, and R={(6, 9), (7, 10)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{6, 7}
Collect only first components that actually occur in R. Dom(R)={6, 7}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
44. First Projection of a Binary Relation
The binary relation has source A={6, 7, 8}, target B={10, 11, 12}, and R=∅⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
∅
Collect only first components that actually occur in R. Dom(R)=∅; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
45. First Projection of a Binary Relation
The binary relation has source A={7, 8, 9}, target B={11, 12, 13}, and R={(7, 11)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{7}
Collect only first components that actually occur in R. Dom(R)={7}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
46. First Projection of a Binary Relation
The binary relation has source A={8, 9, 10}, target B={12, 13, 14}, and R={(8, 12), (8, 13)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{8}
Collect only first components that actually occur in R. Dom(R)={8}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
47. First Projection of a Binary Relation
The binary relation has source A={9, 10, 11}, target B={13, 14, 15}, and R={(9, 14), (10, 14)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{9, 10}
Collect only first components that actually occur in R. Dom(R)={9, 10}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
48. First Projection of a Binary Relation
The binary relation has source A={10, 11, 12}, target B={14, 15, 16}, and R={(10, 14), (11, 15), (12, 16)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{10, 11, 12}
Collect only first components that actually occur in R. Dom(R)={10, 11, 12}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
49. First Projection of a Binary Relation
The binary relation has source A={11, 12, 13}, target B={15, 16, 17}, and R={(12, 15), (13, 16)}⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
{12, 13}
Collect only first components that actually occur in R. Dom(R)={12, 13}; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
50. First Projection of a Binary Relation
The binary relation has source A={12, 13, 14}, target B={16, 17, 18}, and R=∅⊆A×B. List its actual domain Dom(R) in increasing order with each element once.
View answer and explanation
∅
Collect only first components that actually occur in R. Dom(R)=∅; the declared source A need not equal this projection.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-domain-projection · candidate
51. Image of a Subset under a Binary Relation
The binary relation has source A=∅, target B=∅, and R=∅⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
52. Image of a Subset under a Binary Relation
The binary relation has source A={0}, target B={1}, and R=∅⊆A×B. For the explicit C={0}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
53. Image of a Subset under a Binary Relation
The binary relation has source A={-10, -9, -8}, target B={-6, -5, -4}, and R={(-10, -6), (-10, -5)}⊆A×B. For the explicit C={-10}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{-6, -5}
Select relation pairs whose first component lies in C and collect their second components. R[C]={-6, -5}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
54. Image of a Subset under a Binary Relation
The binary relation has source A={-9, -8, -7}, target B={-5, -4, -3}, and R={(-9, -4), (-8, -4)}⊆A×B. For the explicit C={-8, -7}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{-4}
Select relation pairs whose first component lies in C and collect their second components. R[C]={-4}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
55. Image of a Subset under a Binary Relation
The binary relation has source A={-8, -7, -6}, target B={-4, -3, -2}, and R={(-8, -4), (-7, -3), (-6, -2)}⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
56. Image of a Subset under a Binary Relation
The binary relation has source A={-7, -6, -5}, target B={-3, -2, -1}, and R={(-6, -3), (-5, -2)}⊆A×B. For the explicit C={-7, -6, -5}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{-3, -2}
Select relation pairs whose first component lies in C and collect their second components. R[C]={-3, -2}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
57. Image of a Subset under a Binary Relation
The binary relation has source A={-6, -5, -4}, target B={-2, -1, 0}, and R=∅⊆A×B. For the explicit C={-6}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
58. Image of a Subset under a Binary Relation
The binary relation has source A={-5, -4, -3}, target B={-1, 0, 1}, and R={(-5, -1)}⊆A×B. For the explicit C={-4, -3}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
59. Image of a Subset under a Binary Relation
The binary relation has source A={-4, -3, -2}, target B={0, 1, 2}, and R={(-4, 0), (-4, 1)}⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
60. Image of a Subset under a Binary Relation
The binary relation has source A={-3, -2, -1}, target B={1, 2, 3}, and R={(-3, 2), (-2, 2)}⊆A×B. For the explicit C={-3, -2, -1}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{2}
Select relation pairs whose first component lies in C and collect their second components. R[C]={2}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
61. Image of a Subset under a Binary Relation
The binary relation has source A={-2, -1, 0}, target B={2, 3, 4}, and R={(-2, 2), (-1, 3), (0, 4)}⊆A×B. For the explicit C={-2}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{2}
Select relation pairs whose first component lies in C and collect their second components. R[C]={2}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
62. Image of a Subset under a Binary Relation
The binary relation has source A={-1, 0, 1}, target B={3, 4, 5}, and R={(0, 3), (1, 4)}⊆A×B. For the explicit C={0, 1}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{3, 4}
Select relation pairs whose first component lies in C and collect their second components. R[C]={3, 4}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
63. Image of a Subset under a Binary Relation
The binary relation has source A={0, 1, 2}, target B={4, 5, 6}, and R=∅⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
64. Image of a Subset under a Binary Relation
The binary relation has source A={1, 2, 3}, target B={5, 6, 7}, and R={(1, 5)}⊆A×B. For the explicit C={1, 2, 3}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{5}
Select relation pairs whose first component lies in C and collect their second components. R[C]={5}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
65. Image of a Subset under a Binary Relation
The binary relation has source A={2, 3, 4}, target B={6, 7, 8}, and R={(2, 6), (2, 7)}⊆A×B. For the explicit C={2}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{6, 7}
Select relation pairs whose first component lies in C and collect their second components. R[C]={6, 7}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
66. Image of a Subset under a Binary Relation
The binary relation has source A={3, 4, 5}, target B={7, 8, 9}, and R={(3, 8), (4, 8)}⊆A×B. For the explicit C={4, 5}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{8}
Select relation pairs whose first component lies in C and collect their second components. R[C]={8}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
67. Image of a Subset under a Binary Relation
The binary relation has source A={4, 5, 6}, target B={8, 9, 10}, and R={(4, 8), (5, 9), (6, 10)}⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
68. Image of a Subset under a Binary Relation
The binary relation has source A={5, 6, 7}, target B={9, 10, 11}, and R={(6, 9), (7, 10)}⊆A×B. For the explicit C={5, 6, 7}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{9, 10}
Select relation pairs whose first component lies in C and collect their second components. R[C]={9, 10}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
69. Image of a Subset under a Binary Relation
The binary relation has source A={6, 7, 8}, target B={10, 11, 12}, and R=∅⊆A×B. For the explicit C={6}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
70. Image of a Subset under a Binary Relation
The binary relation has source A={7, 8, 9}, target B={11, 12, 13}, and R={(7, 11)}⊆A×B. For the explicit C={8, 9}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
71. Image of a Subset under a Binary Relation
The binary relation has source A={8, 9, 10}, target B={12, 13, 14}, and R={(8, 12), (8, 13)}⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
72. Image of a Subset under a Binary Relation
The binary relation has source A={9, 10, 11}, target B={13, 14, 15}, and R={(9, 14), (10, 14)}⊆A×B. For the explicit C={9, 10, 11}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{14}
Select relation pairs whose first component lies in C and collect their second components. R[C]={14}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
73. Image of a Subset under a Binary Relation
The binary relation has source A={10, 11, 12}, target B={14, 15, 16}, and R={(10, 14), (11, 15), (12, 16)}⊆A×B. For the explicit C={10}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{14}
Select relation pairs whose first component lies in C and collect their second components. R[C]={14}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
74. Image of a Subset under a Binary Relation
The binary relation has source A={11, 12, 13}, target B={15, 16, 17}, and R={(12, 15), (13, 16)}⊆A×B. For the explicit C={12, 13}⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
{15, 16}
Select relation pairs whose first component lies in C and collect their second components. R[C]={15, 16}; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
75. Image of a Subset under a Binary Relation
The binary relation has source A={12, 13, 14}, target B={16, 17, 18}, and R=∅⊆A×B. For the explicit C=∅⊆A, list R[C] in increasing order with no duplicates.
View answer and explanation
∅
Select relation pairs whose first component lies in C and collect their second components. R[C]=∅; a relation need not have a unique output for each input.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-subset-image · candidate
76. Converse of a Binary Relation
The binary relation has source A=∅, target B=∅, and R=∅⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
∅
Exchange every (x,y) for (y,x), giving R⁻¹=∅. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
77. Converse of a Binary Relation
The binary relation has source A={0}, target B={1}, and R=∅⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
∅
Exchange every (x,y) for (y,x), giving R⁻¹=∅. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
78. Converse of a Binary Relation
The binary relation has source A={-10, -9, -8}, target B={-6, -5, -4}, and R={(-10, -6), (-10, -5)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(-6, -10), (-5, -10)}
Exchange every (x,y) for (y,x), giving R⁻¹={(-6, -10), (-5, -10)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
79. Converse of a Binary Relation
The binary relation has source A={-9, -8, -7}, target B={-5, -4, -3}, and R={(-9, -4), (-8, -4)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(-4, -9), (-4, -8)}
Exchange every (x,y) for (y,x), giving R⁻¹={(-4, -9), (-4, -8)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
80. Converse of a Binary Relation
The binary relation has source A={-8, -7, -6}, target B={-4, -3, -2}, and R={(-8, -4), (-7, -3), (-6, -2)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(-4, -8), (-3, -7), (-2, -6)}
Exchange every (x,y) for (y,x), giving R⁻¹={(-4, -8), (-3, -7), (-2, -6)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
81. Converse of a Binary Relation
The binary relation has source A={-7, -6, -5}, target B={-3, -2, -1}, and R={(-6, -3), (-5, -2)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(-3, -6), (-2, -5)}
Exchange every (x,y) for (y,x), giving R⁻¹={(-3, -6), (-2, -5)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
82. Converse of a Binary Relation
The binary relation has source A={-6, -5, -4}, target B={-2, -1, 0}, and R=∅⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
∅
Exchange every (x,y) for (y,x), giving R⁻¹=∅. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
83. Converse of a Binary Relation
The binary relation has source A={-5, -4, -3}, target B={-1, 0, 1}, and R={(-5, -1)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(-1, -5)}
Exchange every (x,y) for (y,x), giving R⁻¹={(-1, -5)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
84. Converse of a Binary Relation
The binary relation has source A={-4, -3, -2}, target B={0, 1, 2}, and R={(-4, 0), (-4, 1)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(0, -4), (1, -4)}
Exchange every (x,y) for (y,x), giving R⁻¹={(0, -4), (1, -4)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
85. Converse of a Binary Relation
The binary relation has source A={-3, -2, -1}, target B={1, 2, 3}, and R={(-3, 2), (-2, 2)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(2, -3), (2, -2)}
Exchange every (x,y) for (y,x), giving R⁻¹={(2, -3), (2, -2)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
86. Converse of a Binary Relation
The binary relation has source A={-2, -1, 0}, target B={2, 3, 4}, and R={(-2, 2), (-1, 3), (0, 4)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(2, -2), (3, -1), (4, 0)}
Exchange every (x,y) for (y,x), giving R⁻¹={(2, -2), (3, -1), (4, 0)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
87. Converse of a Binary Relation
The binary relation has source A={-1, 0, 1}, target B={3, 4, 5}, and R={(0, 3), (1, 4)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(3, 0), (4, 1)}
Exchange every (x,y) for (y,x), giving R⁻¹={(3, 0), (4, 1)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
88. Converse of a Binary Relation
The binary relation has source A={0, 1, 2}, target B={4, 5, 6}, and R=∅⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
∅
Exchange every (x,y) for (y,x), giving R⁻¹=∅. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
89. Converse of a Binary Relation
The binary relation has source A={1, 2, 3}, target B={5, 6, 7}, and R={(1, 5)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(5, 1)}
Exchange every (x,y) for (y,x), giving R⁻¹={(5, 1)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
90. Converse of a Binary Relation
The binary relation has source A={2, 3, 4}, target B={6, 7, 8}, and R={(2, 6), (2, 7)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(6, 2), (7, 2)}
Exchange every (x,y) for (y,x), giving R⁻¹={(6, 2), (7, 2)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
91. Converse of a Binary Relation
The binary relation has source A={3, 4, 5}, target B={7, 8, 9}, and R={(3, 8), (4, 8)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(8, 3), (8, 4)}
Exchange every (x,y) for (y,x), giving R⁻¹={(8, 3), (8, 4)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
92. Converse of a Binary Relation
The binary relation has source A={4, 5, 6}, target B={8, 9, 10}, and R={(4, 8), (5, 9), (6, 10)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(8, 4), (9, 5), (10, 6)}
Exchange every (x,y) for (y,x), giving R⁻¹={(8, 4), (9, 5), (10, 6)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
93. Converse of a Binary Relation
The binary relation has source A={5, 6, 7}, target B={9, 10, 11}, and R={(6, 9), (7, 10)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(9, 6), (10, 7)}
Exchange every (x,y) for (y,x), giving R⁻¹={(9, 6), (10, 7)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
94. Converse of a Binary Relation
The binary relation has source A={6, 7, 8}, target B={10, 11, 12}, and R=∅⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
∅
Exchange every (x,y) for (y,x), giving R⁻¹=∅. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
95. Converse of a Binary Relation
The binary relation has source A={7, 8, 9}, target B={11, 12, 13}, and R={(7, 11)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(11, 7)}
Exchange every (x,y) for (y,x), giving R⁻¹={(11, 7)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
96. Converse of a Binary Relation
The binary relation has source A={8, 9, 10}, target B={12, 13, 14}, and R={(8, 12), (8, 13)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(12, 8), (13, 8)}
Exchange every (x,y) for (y,x), giving R⁻¹={(12, 8), (13, 8)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
97. Converse of a Binary Relation
The binary relation has source A={9, 10, 11}, target B={13, 14, 15}, and R={(9, 14), (10, 14)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(14, 9), (14, 10)}
Exchange every (x,y) for (y,x), giving R⁻¹={(14, 9), (14, 10)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
98. Converse of a Binary Relation
The binary relation has source A={10, 11, 12}, target B={14, 15, 16}, and R={(10, 14), (11, 15), (12, 16)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(14, 10), (15, 11), (16, 12)}
Exchange every (x,y) for (y,x), giving R⁻¹={(14, 10), (15, 11), (16, 12)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
99. Converse of a Binary Relation
The binary relation has source A={11, 12, 13}, target B={15, 16, 17}, and R={(12, 15), (13, 16)}⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
{(15, 12), (16, 13)}
Exchange every (x,y) for (y,x), giving R⁻¹={(15, 12), (16, 13)}. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
100. Converse of a Binary Relation
The binary relation has source A={12, 13, 14}, target B={16, 17, 18}, and R=∅⊆A×B. After exchanging source and target, list the converse R⁻¹ as ordered pairs sorted by first and then second component, with duplicates removed.
View answer and explanation
∅
Exchange every (x,y) for (y,x), giving R⁻¹=∅. A converse relation is not automatically an inverse function.
Reviewed step-by-step derivation
Binary relations and set projections · qf-relation-converse-set · candidate
Canonical question JSONL · English JSONL · Validation report