End PROPERTIES.

(* Specifications: *)
Lemma parmove_wf_moves:
forall mu, wf_moves mu (parmove mu).
Lemma parmove2_wf_moves:
forall sl dl, wf_moves (List.combine sl dl) (parmove2 sl dl).
Lemma parmove_wf_moves:
forall mu, wf_moves mu (parmove mu).
Lemma parmove2_wf_moves:
forall sl dl, wf_moves (List.combine sl dl) (parmove2 sl dl).