fact: Definition Cseq_asymptotic2 P := forall (Q : Cseq -> Cseq -> Prop) Un Vn, (forall Wn Xn, Q Wn Xn -> P Wn Xn) -> Cseq_eventually2 Q Un Vn -> P Un Vn.
imports: MyReals PeanoNat Rsequence_def Rsequence_facts Rsequence_base_facts Lia Lra Complex Csequence_def