Question

Using properties of sets and their complements prove that

1. (AUB)(AUB') = A

2. A-( AB) = A-B

3. (AUB) - C = (A-C) (B

4. A-(BUC) = (A - B) (A-C)

5. An (B-C) = (AnB) - ( AC).​

Answer 1

Answer:

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