proposition: Lemma normalize_idE p : normalize_id p = p.
proof: Proof. by rewrite /normalize_id unlock. Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div seq zmodp) mathcomp(path choice fintype tuple finset ssralg bigop poly polydiv) CoqEAL(param refinements pos hrel poly_op)