Module KSa := KnotHeredSa(TyFSA)(K).
Definition rmap := K.knot.
Instance Join_rmap: Join rmap := KSa.Join_knot.
Instance Perm_rmap : Perm_alg rmap:= KSa.Perm_knot.
Instance Sep_rmap : Sep_alg rmap:= KSa.Sep_knot Sep_pre_rmap.
Instance Canc_rmap : Canc_alg rmap:= KSa.Canc_knot Canc_pre_rmap.
Instance Disj_rmap : Disj_alg rmap:= KSa.Disj_knot Disj_pre_rmap.
Instance ag_rmap : ageable rmap := KSa.K.ag_knot.
Instance Age_rmap: Age_alg rmap := KSa.asa_knot.
Inductive preds : Type :=
SomeP : forall A : list Type, (listprod A -> pred rmap) -> preds.
Definition NoneP := SomeP ((Void:Type)::nil) (fun _ => FF).
Definition hair := preds.
Inductive resource : Type :=
| NO
| YES: pshare -> kind -> preds -> resource
| PURE : kind -> preds -> resource.
Definition resource2res (r: resource): res (pred rmap) :=
match r with
| NO => NO' (pred rmap)
| YES p k (SomeP A l) => YES' (pred rmap) p k (existT _ A l)
| PURE k (SomeP A l) => PURE' (pred rmap) k (existT _ A l)
end.
Definition res2resource (r: res (pred rmap)) : resource :=
match r with
| NO' => NO
| YES' p k (existT A l) => YES p k (SomeP A l)
| PURE' k (existT A l) => PURE k (SomeP A l)
end.

Lemma res2resource2res: forall x, resource2res (res2resource x) = x.