Theorem CategoryTheory.Functor.preservesEpimorphisms.ofRetract

Modification history

2026-08-10 08:17
Mathlib/CategoryTheory/Functor/EpiMono.lean
chore(CategoryTheory/Functor/EpiMono): use `to_dual` (#41015) …
Deleted CategoryTheory.Functor.preservesEpimorphisms.ofRetractView on Github →
2025-09-21 12:54
Mathlib/CategoryTheory/Functor/EpiMono.lean
feat(CategoryTheory): define internally projective objects (#29822) …
Added CategoryTheory.Functor.preservesEpimorphisms.ofRetractView on Github →