fact: Definition PointedActionIso {G:gr} (X Y:PointedTorsor G) := ∑ f:ActionIso X Y, f (underlyingPoint X) = underlyingPoint Y.
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