fact: Definition is_cartesian_sfib_eq {C₁ C₂ : category} (F : C₁ ⟶ C₂) {x₁ x₂ : C₁} {f₁ f₂ : x₁ --> x₂} (p : f₁ = f₂) (Hf₁ : is_cartesian_sfib F f₁) : is_cartesian_sfib F f₂.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Total UniMath.CategoryTheory.DisplayedCats.Fibrations