Theorem 8.3.14 (First Isomorphism Theorem) Let f be a homomorphism of a ring R into a ring R'. Then f(R) is an ideal of R' and R/Ker f f(R).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.2: Complex Numbers And Quaternions
Problem 47E
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Theorem 8.3.14 (First Isomorphism Theorem) Let f be a homomorphism of a ring R into a ring R'. Then
f(R) is an ideal of R' and
R/Ker f = f(R). ■
Transcribed Image Text:Theorem 8.3.14 (First Isomorphism Theorem) Let f be a homomorphism of a ring R into a ring R'. Then f(R) is an ideal of R' and R/Ker f = f(R). ■
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