∀ {α : Type u_1} {E'' : Type u_9} {F'' : Type u_10} [inst : NormedAddCommGroup E''] [inst_1 : NormedAddCommGroup F'']
  {f'' : α → E''} {l : Filter α} {c : F''},
  (f'' =O[l] fun _x => c) ↔ (c = 0 → f'' =ᶠ[l] 0) ∧ Filter.IsBoundedUnder (fun x1 x2 => x1 ≤ x2) l fun x => ‖f'' x‖