proposition: Lemma Zeck_uniq n: uniq (Zeck n).
proof: Proof. exact: (sorted_ggen_uniq (Zeck_ggen n)). Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path fintype div bigop binomial) mathcomp(prime finset ssralg ssrnum ssrint)