proposition: Lemma Zeck_1 : Zeck 1 = [:: 0].
proof: Proof. exact: (Zeck_fib 0). Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path fintype div bigop binomial) mathcomp(prime finset ssralg ssrnum ssrint)