Theorem CategoryTheory.Preadditive.epi_iff_injective

Modification history

2023-12-27 10:11
Mathlib/Algebra/Homology/ShortComplex/ConcreteCategory.lean
feat(Algebra/Homology): computation of the connecting homomorphism of the homology sequence (#8771) …
Deleted CategoryTheory.Preadditive.epi_iff_injectiveView on Github →
2023-11-03 07:31
Mathlib/Algebra/Homology/ShortComplex/ConcreteCategory.lean
feat: exactness of short complexes in concrete categories (#8060)
Added CategoryTheory.Preadditive.epi_iff_injectiveView on Github →