Definition make_invertible_2cell {C : prebicat_data} {a b : C} {f g : C⟦a,b⟧} {η : f ==> g} (inv_η : is_invertible_2cell η) : invertible_2cell f g := η,, inv_η.
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.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.PrecategoryBinProduct.