Definition rwhisker_of_invertible_2cell {B : bicat} {x y z : B} {f₁ f₂ : x --> y} (g : y --> z) (α : invertible_2cell f₁ f₂) : invertible_2cell (f₁ · g) (f₂ · g). Proof. use make_invertible_2cell. - exact (α ▹ g). - is_iso. apply α. 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.