Let ø : F → R be a ring homomorphism where F is a field. Show that either o is one-to-one or ø is the 0-homomorphism.
Let ø : F → R be a ring homomorphism where F is a field. Show that either o is one-to-one or ø is the 0-homomorphism.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.5: Permutations And Inverses
Problem 10E: 10. Let and be mappings from to. Prove that if is invertible, then is onto and is...
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Transcribed Image Text:Let ø : F → R be a ring homomorphism where F is a field. Show that either ø is
one-to-one or ø is the 0-homomorphism.
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