6. Suppose A is the set of counties in Leinster. (i) Give an example of a relation on A that is an equivalence relation. Prove that your example is an equivalence relation. (ii) Give an example of a relation on A that is not an equivalence relation. Prove that your example is not an equivalence relation.
6. Suppose A is the set of counties in Leinster. (i) Give an example of a relation on A that is an equivalence relation. Prove that your example is an equivalence relation. (ii) Give an example of a relation on A that is not an equivalence relation. Prove that your example is not an equivalence relation.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 11E: Let be a relation defined on the set of all integers by if and only if sum of and is odd. Decide...
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
Transcribed Image Text:6. Suppose A is the set of counties in Leinster.
(i) Give an example of a relation on A that is an equivalence relation. Prove that your
example is an equivalence relation.
(ii) Give an example of a relation on A that is not an equivalence relation. Prove that
your example is not an equivalence relation.
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