Let R be the relation defined on Z by aRb if 2a + b = 0 (mod 3). a) Prove that R is an equivalence relation. b) Compute the equivalence classes and express them in set notation.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 10E: In Exercises , a relation is defined on the set of all integers. In each case, prove that is an...
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(1) Let R be the relation defined on Z by aRb if 2a + b = 0 (mod 3).
(a) Prove that R is an equivalence relation.
(b) Compute the equivalence classes and express them in set notation.
Transcribed Image Text:(1) Let R be the relation defined on Z by aRb if 2a + b = 0 (mod 3). (a) Prove that R is an equivalence relation. (b) Compute the equivalence classes and express them in set notation.
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