Definition is_invertible_2cell_pb_ump_cell : is_invertible_2cell (pb_ump_cell Hp φ ψ α β r). Proof. use make_is_invertible_2cell. - exact is_invertible_2cell_pb_ump_cell_inv. - exact is_invertible_2cell_pb_ump_cell_left. - exact is_invertible_2cell_pb_ump_cell_right. 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.Core.Univalence.