Definition vcomp_is_cartesian_2cell_sfib_unique {k : x --> e} {ζ : k ==> h} {δp : k · p ==> f · p} (q : ζ ▹ p = δp • ((α • β) ▹ p)) : isaprop (∑ δ : k ==> f, δ ▹ p = δp × δ • (α • β) = ζ).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.DisplayedCats.StreetFibration. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.Invertible_2cells. Require Import UniMath.Bicategories.Core.Univalence.