fact: Definition twosided_disp_cat_ob_mor_to_mor {C₁ C₂ : precategory_ob_mor} {D : twosided_disp_cat_ob_mor C₁ C₂} {x₁ x₂ : C₁} {y₁ y₂ : C₂} (xy₁ : D x₁ y₁) (xy₂ : D x₂ y₂) (f : x₁ --> x₂) (g : y₁ --> y₂) : UU := pr2 D x₁ x₂ y₁ y₂ xy₁ xy₂ f g.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.PrecategoryBinProduct