Let A andB be two sets of. integers. A distancemeasure 'd is defined as d(A - B) = size(A - B), where- denotes the set difference. Prove that 'd is nota metric.

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Answered: Let A andB be two sets of. integers. A…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.2: Graphs Of Equations

Problem 68E

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Let A andB be two sets of. integers. A distance measure 'd is defined as d(A - B) = size(A - B), where - denotes the set difference. Prove that 'd is not a metric.