fact: Definition comma_category_induced_functor_morphism_of s d m s0 d0 (m0 : morphism (fst s / snd s) s0 d0) : morphism (fst d / snd d) (@comma_category_induced_functor_object_of s d m s0) (@comma_category_induced_functor_object_of s d m d0).
imports: Category.Core Functor.Core NaturalTransformation.Core Category.Dual Category.Prod NaturalTransformation.Identity FunctorCategory.Core Cat.Core InitialTerminalCategory.Core InitialTerminalCategory.Functors HoTT.Tactics Basics.Tactics