proposition: Lemma compare_correct alpha beta : CompareSpec (alpha = beta) (lt alpha beta) (lt beta alpha) (compare alpha beta).
proof: Proof. generalize (compare_reflect alpha beta). destruct (compare alpha beta); now constructor. 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)