Let A, B, C, and D be subsets of a universal set U. 3. (a) Prove that if A C B, then BCA (b) Prove that (Ax C) U (B x D) C (AU B) x (CU D) (c) Let P(X) denote the power set of a set X. Prove or disprove: P(An B) P(A) n P(B) (d) Prove or disprove: (AUB) x (C U D) (Ax C) U (B x D)
Let A, B, C, and D be subsets of a universal set U. 3. (a) Prove that if A C B, then BCA (b) Prove that (Ax C) U (B x D) C (AU B) x (CU D) (c) Let P(X) denote the power set of a set X. Prove or disprove: P(An B) P(A) n P(B) (d) Prove or disprove: (AUB) x (C U D) (Ax C) U (B x D)
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.1: Sets
Problem 9TFE: True or False Label each of the following statements as either true or false. AB=CB implies A=C, for...
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