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Theorem
category_theory.non_preadditive_abelian.add_def
Modification history
2020-07-03 04:28
src/category_theory/abelian/non_preadditive.lean
feat(category_theory/abelian): every abelian category is preadditive (#3247)
Added
category_theory.non_preadditive_abelian.add_def
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