fact: Definition pointed_triviality_isomorphism {G:gr} (X:PointedTorsor G) : PointedActionIso (pointedTrivialTorsor G) X.
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