proposition: Lemma quotient_1 {G} (X:Torsor G) (x:X) : x/x = 1%multmonoid.
proof: Proof. intros. apply pathsinv0. apply quotient_uniqueness. apply act_unit. Defined.
imports: UniMath.Foundations.All UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Notations UniMath.MoreFoundations.Univalence UniMath.MoreFoundations.Tactics UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Combinatorics.OrderedSets