fact: Definition iterop_fun_step (lunax : islunit op unel) {m} (x:stn(S m) -> X) : iterop_fun x = op (iterop_fun (x ∘ dni lastelement)) (x lastelement).
imports: UniMath.Combinatorics.Lists UniMath.Combinatorics.FiniteSequences UniMath.Algebra.RigsAndRings UniMath.Foundations.UnivalenceAxiom UniMath.MoreFoundations.Tactics UniMath.Algebra.Groups UniMath.MoreFoundations.NegativePropositions