(* Lemmas that DO NOT depend on CompCert or Verifiable C *)
Definition Vector_0_is_nil (T : Type) (v : Vector.t T 0) : v = Vector.nil T :=
match v with Vector.nil => eq_refl end.
intros. inversion H; split; trivial. Qed.

Lemma fold_left_cons {A B} (f: A -> B -> A) l b x:
fold_left f (x :: l) b = fold_left f l (f b x).