Definition disp_vcomp2 {a b : C} {f g h : C⟦a,b⟧} {r : f ==> g} {s : g ==> h} {x : D a} {y : D b} {ff : x -->[f] y} {gg : x -->[g] y} {hh : x -->[h] y} : ff ==>[r] gg → gg ==>[s] hh → ff ==>[r • s] hh := λ rr ss, pr1 (pr2 (pr2 (pr2 (pr2 (pr2 (pr2 (pr2 (pr2 D)))))))) _ _ _ _ _ _ _ _ _ _ _ _ rr ss.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.DisplayedCats.Core. Require Import UniMath.CategoryTheory.DisplayedCats.Total. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.Invertible_2cells. Require Import UniMath.Bicategories.Core.BicategoryLaws. Require Import UniMath.Bicategories.Core.Unitors. Require Import UniMath.Bicategories.Morphisms.Adjunctions. Require Import UniMath.Bicategories.Core.Univalence.