Definition global_cartesian_trivial_comprehension : global_cartesian_disp_psfunctor trivial_comprehension. Proof. intros b₁ b₂ f c₁ c₂ g Hg ; cbn in *. apply is_pb_to_cartesian_1cell. pose (g_equiv := trivial_cartesian_1cell_is_adj_equiv _ _ _ _ Hg). apply (adj_equiv_to_pb f g g_equiv). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.Invertible_2cells. Require Import UniMath.Bicategories.Morphisms.FullyFaithful. Require Import UniMath.Bicategories.Morphisms.Properties. Require Import UniMath.Bicategories.Morphisms.Properties.Projections. Require Import UniMath.Bicategories.DisplayedBicats.DispBicat. Require Import UniMath.Bicategories.DisplayedBicats.DispPseudofunctor. Require Import UniMath.Bicategories.DisplayedBicats.DispUnivalence. Require Import UniMath.Bicategories.DisplayedBicats.CleavingOfBicat. Require Import UniMath.Bicategories.DisplayedBicats.CartesianPseudoFunctor. Require Import UniMath.Bicategories.DisplayedBicats.Examples.Trivial. Require Import UniMath.Bicategories.DisplayedBicats.Examples.Codomain. Require Import UniMath.Bicategories.DisplayedBicats.ExamplesOfCleavings.TrivialCleaving. Require Import UniMath.Bicategories.DisplayedBicats.ExamplesOfCleavings.CodomainCleaving. Require Import UniMath.Bicategories.Limits.Products. Import Products.Notations. Require Import UniMath.Bicategories.Limits.Pullbacks. Require Import UniMath.Bicategories.PseudoFunctors.Display.PseudoFunctorBicat. Require Import UniMath.Bicategories.PseudoFunctors.PseudoFunctor. Require Import UniMath.Bicategories.PseudoFunctors.Examples.Identity. Require Import UniMath.Bicategories.Logic.ComprehensionBicat.