Question: Problem 21: Are the given equalities true or false? Prove or give a counterexample. (a) (A) = A; (b) (An B) = An Bo; (c)

Problem 21: Are the given equalities true or false? Prove or give a counterexample. (a) (A) = A; (b) (An B) = An Bo; (c) (AUB) = AU Bo; (d) A = (Ac) , where Ac is the complement of A; (e) A = (Agoje

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