First slide
Introduction to Relations (XI) on Sets

Given two finite sets A and B such that n(A)=2, n(B)=3. Then total number of relations from A to B is


Here n(A×B)=2×3=6

Since every subset of A×B defines a relation from A to B, number of relation from A to B is equal to number of subsets of A×B=26=64.

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