If each square in the following diagram is a pullback- and B' B is a monomorphism,
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If each square in the following diagram is a pullback- and B' → B is a monomorphism, then the outer rectangle is a pullback.
Transcribed Image Text:
P- A ·e· 1- 'B' B.
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To show that the outer rectangle is a pullback we need to demonstrate that it satisfies the universa...View the full answer
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Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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