fact: Definition disp_functor_eq_step_3 : pr1 FF ╝ pr1 GG ≃ ∑ (p : ∏ (x : C₁) (xx : D₁ x), FF x xx = GG x xx), ∏ (x y : C₁) (xx : D₁ x) (yy : D₁ y) (f : x --> y) (ff : xx -->[ f ] yy), ♯FF ff ;; idtoiso_disp (idpath _) (p y yy) = transportb _ (id_right _ @ !(id_left _)) (idtoiso_disp (idpath _) (p x xx) ;; ♯GG ff).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.NaturalTransformations UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Univalence