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1. Relations
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Q8 of 109 Page 1

Let A = {1, 2, 3}. Then, the number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is

R={(1,2),(2,1),(1,3),(3,1),(1,1)} is the only relation.

The addition of (2,2) or (3,3) will make R transitive.

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Questions · 109
1. Relations
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