fact: Definition mor_to_el_mor {I J : C} (f : J --> I) (ρ : pr1 X I : hSet) : ∫ X ⟦ make_ob J (# (pr1 X) f ρ), make_ob I ρ ⟧ := make_mor (J,,# (pr1 X) f ρ) (I,,ρ) f (idpath (# (pr1 X) f ρ)).
imports: UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Categories.HSET.Core UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Presheaf