Module CompositeRankSort := Sort CompositeRankOrder.Definition rebuild_composite_elements := CompositeRankSort.sort (PTree.elements cenv).

(* Specifications: *)
Theorem RCT_Permutation: Permutation rebuild_composite_elements (PTree.elements cenv).
Lemma RCT_ordered_and_complete: ordered_and_complete rebuild_composite_elements.
Theorem RCT_ordered: ordered_composite rebuild_composite_elements.