Let A, B,C be rings. Let & be a ring homomorphism from A into B and ß be a ring homomorphism from B into C. Prove that • 4 : A → C is a ring homomorphism.
Let A, B,C be rings. Let & be a ring homomorphism from A into B and ß be a ring homomorphism from B into C. Prove that • 4 : A → C is a ring homomorphism.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.2: Ring Homomorphisms
Problem 1TFE: True or false
Label each of the following statements as either true or false.
A ring homomorphism...
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Let ?, ?, ? be rings. Let Φ be a ring homomorphism from ? into ? and ? be a ring
homomorphism from ? into ?. Prove that ∘ Φ : ? ⟶ ? is a ring homomorphism.
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