Definition indexed_contains tp:= (fun Ncontained: (sigT (containsThread tp)) =>
let (i, cnti) := Ncontained in getThreadR cnti).
Definition resourceList (tp:t): seq.seq res:=
map (@indexed_contains tp)
(containsList tp).

(* Specifications: *)
Lemma resourceList_spec: forall i tp
(cnti: containsThread tp i),
List.nth_error (resourceList tp) i = Some (getThreadR cnti).