Let A, B U. Use the equivalence A B A B = A

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Let A, B ⊂ °U. Use the equivalence A ⊂ B ⇔ A ∩ B = A to show that the dual statement of A ⊂ B is the statement B ⊂ A.

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Question Posted: Jun 21, 2016 08:12 AM

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Let A, B U. Use the equivalence A B A B = A

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Discrete and Combinatorial Mathematics An Applied Introduction

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