Commit 2020-07-27 14:54 adfcfe70
View on Github →feat(category_theory/concrete_category): epi_of_surjective (#3585)
Also, change the proof of mono_of_injective to use the fact that the forgetful function reflects monomorphisms.
feat(category_theory/concrete_category): epi_of_surjective (#3585)
Also, change the proof of mono_of_injective to use the fact that the forgetful function reflects monomorphisms.