Definition pointed_triviality_isomorphism {G:gr} (X:PointedTorsor G) : PointedActionIso (pointedTrivialTorsor G) X. Proof. revert X; intros [X x]. exists (triviality_isomorphism X x). simpl. apply univ_function_pointed. Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.Propositions. Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.MoreFoundations.Univalence. Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups. Require Import UniMath.OrderTheory.OrderedSets.OrderedSets. Import UniMath.MoreFoundations.PartA.