fact: Definition representable_profunctor_left_unit {C₁ C₂ : category} (F : C₁ ⟶ C₂) : profunctor_square (functor_identity C₂) F (representable_profunctor_left F) (id_profunctor C₂).
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