1) R = {(x, y) : x – y is integer} 2) R = {(x, y) : x, y work...} 3) R = {(x, y) : x and y...}

Sum's Timecode:
1) 00:00 - Introduction

2) 00:09 - Q) Determine whether each of the following relations are reflexive, symmetric and transitive: (iv) Relation R in the set Z of all integers defined as R = {(x, y) : x – y is an integer}

3) (v) Relation R in the set A of human beings in a town at a particular time given by

(a) 10:40 - R = {(x, y) : x and y work at the same place}

(b) 18:12 - R = {(x, y) : x and y live in the same locality}

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