proposition: Lemma cnf_rw (alpha:T1)(H :nf alpha) : cnf (mkord H) = alpha.
proof: Proof. reflexivity. Defined.
imports: Coq(Arith Max Bool Lia Compare_dec Relations Ensembles ArithRing Wellfounded Operators_Properties Logic.Eqdep_dec) hydras(Prelude.More_Arith Prelude.Restriction Prelude.DecPreOrder ON_Generic OrdNotations)