proposition: Theorem stable_refl : forall Q : list (poly A0 eqA ltM), stable Q Q.
proof: Proof. auto. Qed.
imports: Coq(Arith Inclusion Inverse_Image Wf_nat Relation_Definitions) Coq(Relation_Operators Lexicographic_Product) Buchberger(Relation_Operators_compat LetP)