Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 6 - Set Theory - Exercise Set 6.2 - Page 364: 1

Answer

a. (1) A (2) B ∪ C b. (1) A ∩ B (2) C c. (1)A (2) B ∩ C

Work Step by Step

a. To say that an element is in A ∩ (B ∪ C) means that it is in A and in B ∪ C . b. To say that an element is in (A ∩ B) ∪ C means that it is in (A ∩ B) or in C c. To say that an element is in A − (B ∩ C) means that it is in A and not in B ∩ C
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