fact: Definition invertible_between_opcartesians {B : bicat} {x e b : B} {p : e --> b} {g₀ g₁ g₂ : x --> e} {α : g₀ ==> g₁} (Hα : is_opcartesian_2cell_sopfib p α) {β : g₀ ==> g₂} (Hβ : is_opcartesian_2cell_sopfib p β) (δ : invertible_2cell (g₂ · p) (g₁ · p)) (q : α ▹ p = (β ▹ p) • pr1 δ) : invertible_2cell g₂ g₁.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Examples.OpCellBicat UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.UnivalenceOp UniMath.Bicategories.Morphisms.InternalStreetFibration