fact: Definition prod_idtoiso_2_1 {a b : C} {f : a --> b} {g : a --> b} (p : f = g) {aa : disp_dirprod_bicat a} {bb : disp_dirprod_bicat b} (ff : aa -->[f] bb) (gg : aa -->[g] bb) (HD1 : disp_univalent_2_1 D1) (HD2 : disp_univalent_2_1 D2) : (transportf (λ z : C ⟦ a, b ⟧, aa -->[ z] bb) p ff = gg) ≃ disp_invertible_2cell (idtoiso_2_1 f g p) ff gg.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Constructions UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Examples.Initial UniMath.Bicategories.Core.Examples.Final UniMath.Bicategories.DisplayedBicats.DispBicat UniMath.Bicategories.Core.Univalence UniMath.Bicategories.DisplayedBicats.DispInvertibles UniMath.Bicategories.DisplayedBicats.DispAdjunctions UniMath.Bicategories.DisplayedBicats.DispUnivalence