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OpenStudy (samigupta8):
Let A, B and C be the sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C. show that B = C.
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terenzreignz (terenzreignz):
Using what?
OpenStudy (samigupta8):
what do u want 2 say
terenzreignz (terenzreignz):
Well, when I want to prove that two sets are equal, the most straightforward way of doing it is to show that they are subsets of each other.
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