Theorem CategoryTheory.Functor.preimage_id

Modification history

2024-04-12 14:33
Mathlib/CategoryTheory/Functor/FullyFaithful.lean
chore(CategoryTheory): move Full, Faithful, EssSurj, IsEquivalence and ReflectsIsomorphisms to the Functor namespace (#11985) …
Added CategoryTheory.Functor.preimage_idView on Github →