fact: Fixpoint nexp (m : nat) : R -> R := match m with | O => fun _ : R => [1] | S n => fun x : R => nexp n x[*]x end.
imports: CoRN.tactics.CornTac CoRN.algebra.CSums CoRN.algebra.CAbMonoids Coq.Sorting.Permutation CoRN.util.SetoidPermutation Coq.Setoids.Setoid Coq.Classes.Morphisms Coq(Lia)