Definition torsorMap_to_torsorIso {G} {X Y : Torsor G} (f : ActionMap X Y) : ActionIso X Y. Proof. use tpair. - exists f. apply torsorMapIsIso. - simpl. apply equivariance. 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.