fact: Definition makeNullHomotopy {Y} {f:ℕ->Y} (s:target_paths f) {y:Y} (h0:y=f 0) : nullHomotopyFrom f y.
imports: UniMath.Foundations.All UniMath.MoreFoundations.NullHomotopies UniMath.MoreFoundations.Nat UniMath.MoreFoundations.Notations UniMath.MoreFoundations.PartA