erynhartley76451 erynhartley76451

25-05-2023
Social Studies

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Prove that the operations U and are commutative and associa tive, in the sense that AUB=BUA, AnB = BnA for any pair of sets A and B. and that AU (BUC) = (AUB) UC An (BNC) = (ANB) nC for any sets A, B and C.

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