Definition comma_ump_mor_pr1 (q : comma_cone) : invertible_2cell (comma_ump_mor q · comma_cone_pr1 p) (comma_cone_pr1 q) := comma_1cell_pr1 (pr1 Hp q).
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.Core.Univalence.