fact: Definition composeUnorderedSequence {X Y} (f:X->Y) : UnorderedSequence X -> UnorderedSequence Y := λ x, functionToUnorderedSequence(f ∘ x).
imports: UniMath.Combinatorics.FiniteSets UniMath.Combinatorics.Lists UniMath.Combinatorics.Vectors UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Tactics