Theorem CochainComplex.isSplitEpi_to_singleFunctor_obj_of_projective

Modification history

2025-04-22 08:04
Mathlib/Algebra/Homology/DerivedCategory/Ext/EnoughProjectives.lean
feat(CategoryTheory/Abelian): Ext^0 and Ext-groups when there are enough projectives (#19591) …
Added CochainComplex.isSplitEpi_to_singleFunctor_obj_of_projectiveView on Github →