fact: Definition isaprop_2cells_of_functors_into_cat {C₁ C₂ : bicat_of_strict_cats} {F₁ F₂ : C₁ --> C₂} (α : F₁ ==> F₂) {G₁ : disp_prebicat_data_of_functors_into_cat C₁} {G₂ : disp_prebicat_data_of_functors_into_cat C₂} (β₁ : G₁ -->[ F₁ ] G₂) (β₂ : G₁ -->[ F₂ ] G₂) : isaprop (β₁ ==>[ α ] β₂).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Setcategories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Categories.CategoryOfSetCategories UniMath.CategoryTheory.whiskering UniMath.CategoryTheory.DisplayedCats.Core UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Morphisms.Adjunctions UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.Core.Examples.StrictCats UniMath.Bicategories.DisplayedBicats.DispBicat