proposition: Proposition make_laws_profunctor : is_functor make_data_of_profunctor.
proof: Proof. split ; intro ; intros ; use funextsec ; intro ; cbn. - apply HF. - apply HF. Qed.
imports: UniMath.Foundations.Preamble UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Categories.HSET.All