proposition: Lemma is_lim_seq_le_le_loc (u v w : nat -> R) (l : Rbar) : eventually (fun n => u n <= v n <= w n) -> is_lim_seq u l -> is_lim_seq w l -> is_lim_seq v l.
proof: Proof. apply filterlim_le_le. Qed.
imports: Coq(Reals Psatz ssreflect) Rcomplements Rbar Lub Markov Hierarchy