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  4. Let R be a reflexive relation on a finite set A having n elements, and let there be m ordered paris in R, then

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Q. Let R be a reflexive relation on a finite set A having n elements, and let there be m ordered paris in R, then

Relations and Functions - Part 2

Solution:

The set consists of n elements and for relation to be reflexive it must have at least n ordered pairs, it has'm ordered pans therefore $m \ge n$