Question: Let A, B, C, AND D be four sets. For each of the following statements, either prove it or find a counterexample. a) It cannot

Let A, B, C, AND D be four sets. For each of the following statements, either prove it or find a counterexample.

a) It cannot be the case that x exists A W B AND x exists B W C

b) (A \ C) * (B \D) subset of (A *B) \ (C * D)

c) (A \ C) * (B \D) = (A * B) \ (C * D)

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