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 < ∞}.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F170c4ec2-d41b-4d60-b6cf-4445839dba32%2F87af9495-ff6b-41a4-a00f-4e9bf7d2b74a%2Fkav3wht_processed.jpeg&w=3840&q=75)
Transcribed Image Text:21. Prove that:
{(a, b), - sa≤b<x} =σ{[a, b], - <a≤ b < ∞}.
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