proposition: Lemma T1limit_not_zero : forall alpha, nf alpha -> T1limit alpha -> alpha <> zero.
proof: Proof. unfold not; intros; subst;discriminate. Qed.
imports: Coq(Arith Max Bool Lia Compare_dec Relations Ensembles Wellfounded Bool RelationClasses Operators_Properties ArithRing Logic.Eqdep_dec) hydras(More_Arith Restriction DecPreOrder) hydras(OrdNotations)