fact: Definition eq_slice_to_inv2cell {x : B} {g₁ g₂ : disc_sopfib_slice HB x} {α β : g₁ --> g₂} (q : α = β) : invertible_2cell (pr1 α) (pr1 β) := idtoiso_2_1 _ _ (maponpaths pr1 q).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.Discreteness UniMath.Bicategories.Core.TransportLaws UniMath.Bicategories.Morphisms.FullyFaithful UniMath.Bicategories.Morphisms.InternalStreetFibration UniMath.Bicategories.Morphisms.InternalStreetOpFibration UniMath.Bicategories.Morphisms.DiscreteMorphisms UniMath.Bicategories.Morphisms.Properties.ClosedUnderPullback UniMath.Bicategories.DisplayedBicats.Examples.DisplayMapBicatSlice UniMath.Bicategories.Logic.DisplayMapBicat UniMath.Bicategories.Limits.Pullbacks UniMath.Bicategories.Limits.PullbackFunctions