5. Recall that Z stands for the equivalence classes of integers modulo n. We denote the congruence class of the integer a by [a]. (a) Set [a] ~ [b] if there are natural numbers m and n, so that [a]™ = [b]". Verify that - defines an equivalence relation. (b) Identify the equivalence classes.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 4E: 4. Let be the relation “congruence modulo 5” defined on as follows: is congruent to modulo if...
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5. Recall that Z stands for the equivalence classes of integers modulo n. We denote the congruence class
of the integer a by [a].
(a) Set [a] ~ [b] if there are natural numbers m and n, so that [a]™ = [b]". Verify that - defines an
equivalence relation.
(b) Identify the equivalence classes.
Transcribed Image Text:5. Recall that Z stands for the equivalence classes of integers modulo n. We denote the congruence class of the integer a by [a]. (a) Set [a] ~ [b] if there are natural numbers m and n, so that [a]™ = [b]". Verify that - defines an equivalence relation. (b) Identify the equivalence classes.
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