fact: Definition isPullback_cartesian_in_cod_disp {x₁ x₂ : C } {f : x₁ --> x₂} {gy₁ : disp_codomain _ x₁} {hy₂ : disp_codomain _ x₂} (ff : gy₁ -->[ f ] hy₂) (H : isPullback (pr2 ff)) : is_cartesian ff.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.Limits.Pullbacks UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Univalence UniMath.CategoryTheory.DisplayedCats.Fibrations