Let a and b be subsets of a universal set u

Reference no: EM13827576

1.Let A and B be subsets of a universal set U. Prove the following: (AB)U(BA)= (AUB)(AnB).

2. Suppose f: A→B and S and T are subsets of A. Prove or give a counter example: if S⊆, then f(S)⊆f(T)

Reference no: EM13827576

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