projective object
Sign in to saveobject 𝑃 in an abelian category such that hom(𝑃,–) is an exact functor to the category of abelian groups
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category
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International Standard Book Number
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set
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digital object identifier
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OCLC, Inc.
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ring
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JSTOR
Organization
abelian group
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surjective function
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category theory
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axiom of choice
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Banach space
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image
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compact space
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normed vector space
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homological algebra
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commutative diagram
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Saunders Mac Lane
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equivalence class
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morphism
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