Def category_theory.non_preadditive_abelian.zero_kernel_of_cancel_zero

Modification history

2022-03-24 05:18
src/category_theory/abelian/non_preadditive.lean
refactor(category_theory/abelian): trivial generalisations (#12897) …
Deleted category_theory.non_preadditive_abelian.zero_kernel_of_cancel_zeroView on Github →
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.zero_kernel_of_cancel_zeroView on Github →