Question: 4. Determine whether or not the following are valid. Justify your answer by using either set identities or mem- bership tables. A, B, and C

4. Determine whether or not the following are valid. Justify your answer by using either set identities or mem- bership tables. A, B, and C are sets. Notice, that the difference between two sets A and B can be denoted A B or A-B.I (a) (AUC) -(BUC) = AC (b) (BUC) - (AUC) = Anc (c) (CUA) - (ANB)-((AUB) nC)U(BNA)

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