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CategoryTheory.Abelian.mono_of_epi_of_mono_of_mono
Modification history
2023-12-21 16:16
Mathlib/CategoryTheory/Abelian/DiagramLemmas/Four.lean
refactor: use the new homology API for the four and the five lemmas (#9022) …
Modified
CategoryTheory.Abelian.mono_of_epi_of_mono_of_mono
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2023-05-12 08:51
Mathlib/CategoryTheory/Abelian/DiagramLemmas/Four.lean
feat: port CategoryTheory.Abelian.DiagramLemmas.Four (#3935)
Added
CategoryTheory.Abelian.mono_of_epi_of_mono_of_mono
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