Consider the equivalence relation ~ on R given by a ~ b if and only if [a] = [b]. You do not need to prove that this is an equivalence relation. Let S be the set of equivalence classes of R under ~. Prove that S is a countably infinite set.
Consider the equivalence relation ~ on R given by a ~ b if and only if [a] = [b]. You do not need to prove that this is an equivalence relation. Let S be the set of equivalence classes of R under ~. Prove that S is a countably infinite set.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 8E: In Exercises 610, a relation R is defined on the set Z of all integers. In each case, prove that R...
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