fact: Definition make_mor (r s : ∫ X) (f : C⟦get_ob r,get_ob s⟧) (i : get_el r = # X f (get_el s)) : (∫ X)⟦r,s⟧ := (f,,i).
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