(** Various inclusions and equivalences between definitions *)

(* Specifications: *)
Lemma CVU_CVS_dom (fn : nat -> R -> R) (D : R -> Prop) :
CVU_dom fn D -> CVS_dom fn D.
Lemma CVU_dom_cauchy (fn : nat -> R -> R) (D : R -> Prop) :
CVU_dom fn D <-> CVU_cauchy fn D.
Lemma CVU_dom_include (fn : nat -> R -> R) (D1 D2 : R -> Prop) :
(forall y, D2 y -> D1 y) -> CVU_dom fn D1 -> CVU_dom fn D2.