proposition: Lemma series_cv_unique : forall {R : ConstructiveReals} (Un:nat -> CRcarrier R) (l1 l2:CRcarrier R), series_cv Un l1 -> series_cv Un l2 -> l1 == l2.
proof: Proof. intros. apply (CR_cv_unique (CRsum Un)); assumption. Qed.
imports: QArith Qabs ConstructiveReals ConstructiveRealsMorphisms ConstructiveAbs ConstructiveLimits