Definition strict_fiber_bicat_data_laws_lwhisker_lwhisker : ∏ (a₁ a₂ a₃ a₄ : strict_fiber_bicat_data) (f₁ : strict_fiber_bicat_data ⟦ a₁ , a₂ ⟧) (f₂ : strict_fiber_bicat_data ⟦ a₂ , a₃ ⟧) (f₃ f₄ : strict_fiber_bicat_data ⟦ a₃ , a₄ ⟧) (x : f₃ ==> f₄), (f₁ ◃ (f₂ ◃ x)) • lassociator f₁ f₂ f₄ = lassociator f₁ f₂ f₃ • (f₁ · f₂ ◃ x).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.DisplayedCats.Core. Require Import UniMath.CategoryTheory.DisplayedCats.Constructions. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.Unitors. Require Import UniMath.Bicategories.DisplayedBicats.DispBicat. Import DispBicat.Notations. Require Import UniMath.Bicategories.DisplayedBicats.DispUnivalence. Require Import UniMath.Bicategories.Core.BicategoryLaws. Require Import UniMath.Bicategories.DisplayedBicats.CleavingOfBicat. Require Import UniMath.Bicategories.DisplayedBicats.FiberCategory.