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Relations from A to B

publish date: 2022/08/24 08:54:00 GMT+10

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Let A = {1, 2, 3, 4} and B = {2, 4, 5}

The following are all possible relations from A to B

R1 = {(1, 2), (1, 5), (2, 2), (3, 4), (3, 5), (4, 5)}
R2 = {(1, 4), (4, 2), (4, 5)}
R3 = {(3, 2), (3, 4), (3, 5), (1, 4)}
R4 = {(1, 4), (2, 5), (3, 2), (4, 4)}
R5 = {(1, 2), (2, 5), (3, 4), (4, 4)}

True
False

Correct Answer

True

Reference

Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012

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