Definition is_absolute_left_extension_weq_is_absolute_left_lifting_op {B : bicat} {x y z : B} {f : z --> x} {g : y --> x} {h : z --> y} {τ : f ==> h · g} (Hτ : is_left_lifting f g τ) : is_absolute_left_lifting Hτ ≃ @is_absolute_left_extension (op1_bicat B) _ _ _ _ _ _ _ Hτ. Proof. exact (idweq _). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.Examples.OpMorBicat. Require Import UniMath.Bicategories.Core.Examples.OpCellBicat.