Statement-1: If R is an equivalence relation on a set A, then `R^(-1)` is also an equivalence

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Statement-1: If R is an equivalence relation on a set A, then `R^(-1)` is also an equivalence relation. Statement-2: `R = R^(-1)` iff R is a symmetric relation.
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today isy exqm i don't know anything

julekhakhatun