Theorem CategoryTheory.projective_iff_subsingleton_ext_one

Modification history

2025-09-23 17:30
Mathlib/CategoryTheory/Abelian/Projective/Dimension.lean
feat(Algebra/Homology): define projective dimension as a number (#29882) …
Added CategoryTheory.projective_iff_subsingleton_ext_oneView on Github →