Definition lwhisker_square {B : ver_bicat_sq_id_comp_whisker} {w x y z : B} {h₁ : w --> x} {h₂ : y --> z} {v₁ v₁' : w -|-> y} {v₂ : x -|-> z} (τ : v₁ =|=> v₁') (s : square_double_bicat h₁ h₂ v₁' v₂) : square_double_bicat h₁ h₂ v₁ v₂ := pr1 (pr2 B) w x y z h₁ h₂ v₁ v₁' v₂ τ s.
Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations.