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Need urgent explanation for this problem

1 post · originally from https://geek.digit.in/community/threads/need-urgent-explanation-for-this-problem.187532/

harshilsharma63
harshilsharma63 Original post #1
Oct 7, 2014 at 9:14 PM
Prove: If A, B ⊆ U where U is the universal set, then A ∩ B = A ∪ B.