Proposition 82 (Ex4) Prove: For each integer a, a = 1. if a? = a, then a = 0 or %3D

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.3: Divisibility
Problem 26E: 26. Let be an integer. Prove that . (Hint: Consider two cases.)
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Proposition 82 (Ex4) Prove: For each integer a,
a = 1.
if a? = a, then a = 0 or
Transcribed Image Text:Proposition 82 (Ex4) Prove: For each integer a, a = 1. if a? = a, then a = 0 or
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