fact: Definition cone {J C : precategory} (F : functor J C) (c : C) : UU := ∑ (f : ∏ (v : J), C⟦c,F v⟧), ∏ (u v : J) (e : J⟦u,v⟧), f u · # F e = f v.
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