Question: 4. Let A, B, X be sets satisfying A C X and B C X. Prove that [2] X - (AUB) = (X - A)n(X

4. Let A, B, X be sets satisfying A C X

and B C X. Prove that [2] X - (AUB) = (X

4. Let A, B, X be sets satisfying A C X and B C X. Prove that [2] X - (AUB) = (X - A)n(X - B)

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