If A A', B B' and : A B is injective, then there is an

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If A ∼ A', B ∼ B' and ∫: A →B is injective, then there is an injective map A' → B'. Therefore the relation ≤ on cardinal numbers is well defined.

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Algebra Graduate Texts In Mathematics 73

ISBN: 9780387905181

8th Edition

Authors: Thomas W. Hungerford

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Question Posted: Apr 13, 2023 03:08 AM

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If A A', B B' and : A B is injective, then there is an

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The statement you provided is true To prove it let f A B be an injective map and let ...View the full answer

Algebra Graduate Texts In Mathematics 73

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