Question: 3) Let S be a set with an associative binary operation :SxS->S. Let e, be a left identity of S (i.e., e, *ssVse S), and

3) Let S be a set with an associative binary operation

3) Let S be a set with an associative binary operation :SxS->S. Let e, be a left identity of S (i.e., e, *ssVse S), and let eg be a right identity of S (i.e., a) Prove that e-e b) Also prove that S can have at most one 2-sided identity

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