proposition: Lemma is_nat_trans_covyoneda_morphisms_data (C : category) (c c' : C^op) (f : C^op⟦c,c'⟧) : is_nat_trans (covyoneda_objects C c) (covyoneda_objects C c') (covyoneda_morphisms_data C c c' f).
proof: Proof. intros d d' g; apply funextsec; intro h; apply assoc. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Categories.HSET.Core UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.whiskering