fact: Definition make_cone {J C : precategory} {F : functor J C} {c : C} (f : ∏ v, C⟦c, F v⟧) (Hf : ∏ u v (e : J⟦u,v⟧) , f u · # F e = f v) : cone F c := tpair _ f Hf.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Propositions UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.FunctorCategory