proposition: Proposition rmap_id_profunctor {x₁ x₂ y : C} (f : x₁ --> x₂) (h : y --> x₁) : rmap id_profunctor f h = h · f.
proof: Proof. cbn. rewrite id_left. apply idpath. Qed.
imports: UniMath.Foundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.Categories.HSET.All UniMath.CategoryTheory.Categories.HSET.SetCoends UniMath.CategoryTheory.Profunctors.Core