Definition inv2cell_to_z_iso_weq {a b : B} (f g : hom a b) : invertible_2cell f g ≃ z_iso f g. Proof. use make_weq. - exact (λ α, inv2cell_to_z_iso α). - exact (inv2cell_to_z_iso_isweq f g). Defined.
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.Core.Functors. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations.