Let A = {3, 5, 7, 8} and define a relation S from A to A as follows: For all (x,y)∈A×A,(x,y) ∈ S if and only if that x - y > 2. Is 3 S 4 ? Is 7 S 3 ? Is (8, 7) ∈ S ? Write S as a set of ordered pairs.
Let A = {3, 5, 7, 8} and define a relation S from A to A as follows: For all (x,y)∈A×A,(x,y) ∈ S if and only if that x - y > 2. Is 3 S 4 ? Is 7 S 3 ? Is (8, 7) ∈ S ? Write S as a set of ordered pairs.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 28E
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Let A = {3, 5, 7, 8} and define a relation S from A to A as follows:
For all (x,y)∈A×A,(x,y) ∈ S if and only if that x - y > 2.
- Is 3 S 4 ?
Is 7 S 3 ?
Is (8, 7) ∈ S ?
- Write S as a set of ordered pairs.
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