Q. 293.5( 2 Votes )

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Answer :

A= {1, 2, 3}


Then the equivalence relations would be,


P = {(1, 1), (2, 2), (3, 3)}


Q = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 1)}


R = {(1, 1), (2, 2), (3, 3), (1, 3), (3, 1)}


S = {(1, 1), (2, 2), (3, 3), (2, 3), (3, 1)}


T = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 1), (1, 3), (3, 1), (2, 3), (3, 1)}


Hence, total 5 equivalence relations.

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