Definition hb_lassoc {B : hcomp_bicat_data} {b₁ b₂ b₃ b₄ : B} (f : hb_mor b₁ b₂) (g : hb_mor b₂ b₃) (h : hb_mor b₃ b₄) : hb_cell (hb_comp1 (hb_comp1 f g) h) (hb_comp1 f (hb_comp1 g h)) := pr122 (pr222 (pr222 (pr222 B))) _ _ _ _ f g h.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.PrecategoryBinProduct. Require Import UniMath.Bicategories.WkCatEnrichment.prebicategory. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.BicategoryLaws.