fact: Definition target_paths {Y} {T:Torsor ℤ} (f:T->Y) := ∏ t, f t=f(one + t).
imports: UniMath.Foundations.All UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.NullHomotopies UniMath.MoreFoundations.Univalence UniMath.MoreFoundations.MoreEquivalences UniMath.MoreFoundations.Notations UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Nat UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.GroupAction UniMath.NumberSystems.Integers