Mathlib Changelog
v4
Changelog
About
Github
Theorem
CategoryTheory.Preadditive.neg_iso_hom
Modification history
2023-10-20 13:51
Mathlib/CategoryTheory/Preadditive/Basic.lean
feat: the pretriangulated structure on the opposite category (#7336)
Added
CategoryTheory.Preadditive.neg_iso_hom
View on Github →