fact: Definition CVN_r (fn:nat -> R -> R) (r:posreal) : Type := { An:nat -> R & { l:R | Un_cv (fun n:nat => sum_f_R0 (fun k:nat => Rabs (An k)) n) l /\ (forall (n:nat) (y:R), Boule 0 r y -> Rabs (fn n y) <= An n) } }.
imports: Rbase Rfunctions SeqSeries Ranalysis1 MVT Lra