Let A be a nonempty set and let ~ be an equivalence relation on A. Prove each of the following: (a) For each a. bE A, a × b if and only if [a] n b) = 0. (b) For each a. be A, if [a] # [b], then [a] n [2] = 0.
Let A be a nonempty set and let ~ be an equivalence relation on A. Prove each of the following: (a) For each a. bE A, a × b if and only if [a] n b) = 0. (b) For each a. be A, if [a] # [b], then [a] n [2] = 0.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 3E: a. Let R be the equivalence relation defined on Z in Example 2, and write out the elements of the...
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