Is the following statement true or false? If R is any symmetric relation on a set A, then R is symmetric. The statement is true Construct a proof for your answer by selecting sentences from the following scrambled list and putting them in the correct order. Therefore, by definition of a symmetric relation, R-1 is symmetric, and so the statement is true. Therefore, by definition of a symmetric relation, R-1 is not symmetric, and so the statement is false. Then by definition of R, y Rx. Since R is symmetric and y R x, then x R y. Since R is symmetric and x R y, then y R x. Then by definition of R, x R-1 y. Then by definition of R-1, xR y. Then by definition of R1, y R-1 x. Proof: -1 1. Let R be any symmetric relation on a set A, and suppose that x and y are any elements of A such that x R y. 2. ---Select-- 3. Since R is symmetric and y Rx. then x Ry. 4. ---Select--- 5. Therefore, by definition of a symmetric relation, R1 is symmetric, and so the statement is true. Need Help? Read It
Is the following statement true or false? If R is any symmetric relation on a set A, then R is symmetric. The statement is true Construct a proof for your answer by selecting sentences from the following scrambled list and putting them in the correct order. Therefore, by definition of a symmetric relation, R-1 is symmetric, and so the statement is true. Therefore, by definition of a symmetric relation, R-1 is not symmetric, and so the statement is false. Then by definition of R, y Rx. Since R is symmetric and y R x, then x R y. Since R is symmetric and x R y, then y R x. Then by definition of R, x R-1 y. Then by definition of R-1, xR y. Then by definition of R1, y R-1 x. Proof: -1 1. Let R be any symmetric relation on a set A, and suppose that x and y are any elements of A such that x R y. 2. ---Select-- 3. Since R is symmetric and y Rx. then x Ry. 4. ---Select--- 5. Therefore, by definition of a symmetric relation, R1 is symmetric, and so the statement is true. Need Help? Read It
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 14E: In each of the following parts, a relation is defined on the set of all human beings. Determine...
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