fact: Definition is_cartesian_2cell {x y : B} {xx : D x} {yy : D y} {f g : x --> y} {ff : xx -->[ f ] yy} {gg : xx -->[ g ] yy} {α : f ==> g} (αα : ff ==>[ α ] gg) : UU := ∏ (h : x --> y) (hh : xx -->[ h ] yy) (γ : h ==> f) (ββ : hh ==>[ γ • α ] gg), ∃! (γγ : hh ==>[ γ ] ff), (γγ •• αα) = ββ.
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.Fibrations UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.TransportLaws UniMath.CategoryTheory.DisplayedCats.Core UniMath.Bicategories.DisplayedBicats.DispBicat UniMath.Bicategories.DisplayedBicats.DispInvertibles