21. Prove that: {(a, b), - sa≤b

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.1: Sets
Problem 40E: 40. Prove or disprove that .
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21. Prove that:
{(a, b), - sa≤b<x} =σ{[a, b], - <a≤ b < ∞}.
Transcribed Image Text:21. Prove that: {(a, b), - sa≤b<x} =σ{[a, b], - <a≤ b < ∞}.
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