proposition: Lemma L14 beta : nf beta -> P beta.
proof: Proof. pattern beta; apply well_founded_induction with LT. apply T1_wf. intros; apply L13. auto. intros. apply H; eauto with T1. 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)