Determine which of these relations are transitive. The variables x, y, x', y' represent integers. A. x∼yx∼y if and only if xyxy is positive. B. x∼yx∼y if and only if x+yx+y is positive. C. (x,y)∼(x′,y′)(x,y)∼(x′,y′) if and only if x−y=x′−y′x−y=x′−y′.
Determine which of these relations are transitive. The variables x, y, x', y' represent integers. A. x∼yx∼y if and only if xyxy is positive. B. x∼yx∼y if and only if x+yx+y is positive. C. (x,y)∼(x′,y′)(x,y)∼(x′,y′) if and only if x−y=x′−y′x−y=x′−y′.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 2E: 2. In each of the following parts, a relation is defined on the set of all integers. Determine in...
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Determine which of these relations are transitive. The variables x, y, x', y' represent integers.
A. x∼yx∼y if and only if xyxy is positive.
B. x∼yx∼y if and only if x+yx+y is positive.
C. (x,y)∼(x′,y′)(x,y)∼(x′,y′) if and only if x−y=x′−y′x−y=x′−y′.
D. x∼yx∼y if and only if xyxy is negative.
E. (x,y)∼(x′,y′)(x,y)∼(x′,y′) if and only if xy′=x′yxy′=x′y.
F. x∼yx∼y if and only if x+yx+y is even.
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