proposition: Lemma QposRed_correct : forall p, QposRed p == p.
proof: Proof. unfold QposRed. intros p. simpl. apply Qred_correct. Qed.
imports: Coq.QArith.QArith Coq.QArith.Qpower CoRN.model.ordfields.Qordfield CoRN.algebra.COrdFields2 Coq.Logic.Eqdep_dec CoRN.tactics.CornTac Coq.QArith.Qround Coq.QArith.Qabs CoRN.stdlib_omissions.Q