Proposition isaset_profunctor_square {C₁ C₂ D₁ D₂ : category} (F : C₁ ⟶ C₂) (G : D₁ ⟶ D₂) (P : D₁ ↛ C₁) (Q : D₂ ↛ C₂) : isaset (profunctor_square F G P Q). Proof. apply isaset_profunctor_nat_trans. Qed.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.CategoryTheory.Categories.HSET.All. Require Import UniMath.CategoryTheory.Categories.HSET.SetCoends. Require Import UniMath.CategoryTheory.Profunctors.Core. Require Import UniMath.CategoryTheory.Profunctors.Examples. Require Import UniMath.CategoryTheory.Profunctors.Transformation.