fact: Definition pbuchf : forall PQ : list (poly A0 eqA ltM) * list (poly A0 eqA ltM), {R : list (poly A0 eqA ltM) | OBuch (fst PQ) (snd PQ) R}.
imports: Coq(Arith Inclusion Inverse_Image Wf_nat Relation_Definitions) Coq(Relation_Operators Lexicographic_Product) Buchberger(Relation_Operators_compat LetP)