2. Consider the following relations on the set of integers: R1 = {(a, b) | a < b}, R2 = {(a, b) | a > b}, R3 = {(a, b) | a = b or a = –b}, R4 = {(a, b) | a = b}, R5 = {(a, b) | a = b+ 1}, R6 = {(a, b) | a +b < 3}. %3D a. Which of the relations contain each of the pairs (1,1), (1,2), (2,1), (1,–1), and (2,2)? b. Which of the relations are reflexive? c. Which of the relations are symmetric? d. Which of the relations are transitive?
2. Consider the following relations on the set of integers: R1 = {(a, b) | a < b}, R2 = {(a, b) | a > b}, R3 = {(a, b) | a = b or a = –b}, R4 = {(a, b) | a = b}, R5 = {(a, b) | a = b+ 1}, R6 = {(a, b) | a +b < 3}. %3D a. Which of the relations contain each of the pairs (1,1), (1,2), (2,1), (1,–1), and (2,2)? b. Which of the relations are reflexive? c. Which of the relations are symmetric? d. Which of the relations are transitive?
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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