Definition rinvunitor_triangle (C : bicat) (a b c : C) (f : C⟦a,b⟧) (g : C⟦b,c⟧) : (f ◃ rinvunitor g) • lassociator f g (identity c) = rinvunitor (f · g) := runitor_triangle (C := op2_bicat C) f g.
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.Examples.OpMorBicat. Require Import UniMath.Bicategories.Core.Examples.OpCellBicat.