fact: Definition strict_fiber_bicat_data_laws_lassociator_lassociator : ((f₁ ◃ lassociator f₂ f₃ f₄) • lassociator f₁ (f₂ · f₃) f₄) • (lassociator f₁ f₂ f₃ ▹ f₄) = lassociator f₁ f₂ (f₃ · f₄) • lassociator (f₁ · f₂) f₃ f₄.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Constructions UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Unitors UniMath.Bicategories.DisplayedBicats.DispBicat UniMath.Bicategories.DisplayedBicats.DispUnivalence UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.DisplayedBicats.CleavingOfBicat UniMath.Bicategories.DisplayedBicats.FiberCategory UniMath.Bicategories.DisplayedBicats.FiberBicategory.FiberBicategory1