Prove that AUB=A & intersection of A& B=A then A=B

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Allen Bright

Mathematics

11 May, 00:19

Prove that AUB=A & intersection of A& B=A then A=B

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Deacon Andersen · Answer 1

The union of the sets is the set containing all the elements of A and B, listing only the common elements once. The intersection of sets A and B are the elements common to both sets. If the union and intersection are equal to A, then the sets are equal, A = B.