fact: Definition functionToUnorderedSequence {X} {I : FiniteSet} (f:I -> X) : UnorderedSequence X := (I,,f).
imports: UniMath.Combinatorics.FiniteSets UniMath.Combinatorics.Lists UniMath.Combinatorics.Vectors UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Tactics