6. Find an integer n that shows that the rings Z, need not have the fol- lowing properties that the ring of integers has. a. a? = a implies a = 0 or a = 1. b. ab = 0 implies a = 0 or b = 0. c. ab = ac and a + 0 imply b = c. Is the n you ound prime?

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.1: Definition Of A Ring
Problem 33E: Consider the set S={ [ 0 ],[ 2 ],[ 4 ],[ 6 ],[ 8 ],[ 10 ],[ 12 ],[ 14 ],[ 16 ] }18. Using addition...
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Can someone please help me understand the following problem. I need to know how to start the problem. i need to know the theorems ,identities,  used please thank you.

 

6. Find an integer n that shows that the rings Z, need not have the fol-
lowing properties that the ring of integers has.
a. a? = a implies a = 0 or a = 1.
b. ab = 0 implies a = 0 or b = 0.
c. ab = ac and a + 0 imply b = c.
Is the n you ound prime?
Transcribed Image Text:6. Find an integer n that shows that the rings Z, need not have the fol- lowing properties that the ring of integers has. a. a? = a implies a = 0 or a = 1. b. ab = 0 implies a = 0 or b = 0. c. ab = ac and a + 0 imply b = c. Is the n you ound prime?
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