6. Let S be a set and suppose is a relation on S. For each of the following, provide a counterexample. (a) If (b) If (c) If ~ is reflexive and symmetric, is it transitive? is reflexive and transitive, is it symmetric? 1 is symmetric and transitive, is it reflexive?

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 20E: Give an example of a relation R on a nonempty set A that is symmetric and transitive, but not...
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6. Let S be a set and suppose
provide a counterexample.
~
is a relation on S. For each of the following,
is reflexive and symmetric, is it transitive?
(a) If
(b) If is reflexive and transitive, is it symmetric?
1
(c) If is symmetric and transitive, is it reflexive?
Transcribed Image Text:6. Let S be a set and suppose provide a counterexample. ~ is a relation on S. For each of the following, is reflexive and symmetric, is it transitive? (a) If (b) If is reflexive and transitive, is it symmetric? 1 (c) If is symmetric and transitive, is it reflexive?
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