proposition: Proposition transpose_strict_double_cat_id_left_square : strict_double_cat_id_left_square transpose_strict_double_cat_id_left.
proof: Proof. intros x₁ x₂ y₁ y₂ v₁ v₂ h k s ; cbn. apply s_square_id_left_v. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Setcategories UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.CategoryTheory.TwoSidedDisplayedCats.Strictness UniMath.Bicategories.DoubleCategories.Basics.DoubleCategoryBasics UniMath.Bicategories.DoubleCategories.Basics.StrictDoubleCatBasics UniMath.Bicategories.DoubleCategories.Core.StrictDoubleCats