fact: Definition IsTerminalMorphism_morphism : morphism C (U IsTerminalMorphism_object) X := @IsInitialMorphism_morphism C^op D^op X U^op (op_object Ap) M.
imports: Category.Core Functor.Core Category.Dual Functor.Dual Category.Objects InitialTerminalCategory.Core InitialTerminalCategory.Functors Trunc Types.Sigma HoTT.Tactics Basics.Tactics