(* Hint Rewrite move_prop_from_SEP move_local_from_SEP : norm. *)

Lemma semax_extract_later_prop1:
forall {cs: compspecs} {Espec: OracleKind} Delta (PP: Prop) P c Q,
(PP -> semax Delta (|> P) c Q) ->
semax Delta (|> (!!PP && P)) c Q.