fact: Definition IsInitialMorphism_morphism (M : IsInitialMorphism Ap) : morphism C X (U (IsInitialMorphism_object M)) := CommaCategory.f Ap.
imports: Category.Core Functor.Core Category.Dual Functor.Dual Category.Objects InitialTerminalCategory.Core InitialTerminalCategory.Functors Trunc Types.Sigma HoTT.Tactics Basics.Tactics