proposition: Lemma lunitor_runitor_identity (a : C) : lunitor (identity a) = runitor (identity a).
proof: Proof. apply (! runitor_lunitor_identity _ ). Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Examples.OpMorBicat UniMath.Bicategories.Core.Examples.OpCellBicat