[Falkner Section 11 Exercise 26] Let A, B, and C be sets. Prove that if f: A → B and g: B→ C are bijections, then go f: AC is a bijection.

Elements Of Modern Algebra
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ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.2: Mappings
Problem 26E: 26. Let and. Prove that for any subset of T of .
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3. [Falkner Section 11 Exercise 26] Let A, B, and C be sets. Prove that if ƒ: A → B
and g: B C are bijections, then go f: A → C is a bijection.
Transcribed Image Text:3. [Falkner Section 11 Exercise 26] Let A, B, and C be sets. Prove that if ƒ: A → B and g: B C are bijections, then go f: A → C is a bijection.
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