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