fact: Definition isotoid_2_1_idtoiso_2_1 {B : bicat} (HB : is_univalent_2_1 B) {a b : B} {f g : a --> b} (p : f = g) : isotoid_2_1 HB (idtoiso_2_1 _ _ p) = p.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Groupoids UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Isos UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Morphisms.Adjunctions UniMath.Bicategories.Core.BicategoryLaws