proposition: 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: Proof. apply isaset_profunctor_nat_trans. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.Categories.HSET.All UniMath.CategoryTheory.Categories.HSET.SetCoends UniMath.CategoryTheory.Profunctors.Core UniMath.CategoryTheory.Profunctors.Examples UniMath.CategoryTheory.Profunctors.Transformation