proposition: Theorem well_founded_rpo : well_founded rpo.
proof: Proof. apply wf_rpo. red. intro a; destruct a;auto with T2. Qed.
imports: Coq(Arith List Lia Compare_dec Relations Wellfounded RelationClasses) hydras(Epsilon0) hydras(More_Arith Restriction) hydras(ON_Generic) hydras(rpo.term rpo.rpo) hydras(T2) hydras(Compat815)