Hint Resolve closed_wrt_not1 : closed.

(* Specifications: *)
Lemma closed_wrt_tc_andp:
forall {cs: compspecs} S a b,
closed_wrt_vars S (denote_tc_assert a) ->
closed_wrt_vars S (denote_tc_assert b) ->
closed_wrt_vars S (denote_tc_assert (tc_andp a b)).
Lemma closed_wrt_tc_orp:
forall {cs: compspecs} S a b,
closed_wrt_vars S (denote_tc_assert a) ->
closed_wrt_vars S (denote_tc_assert b) ->
closed_wrt_vars S (denote_tc_assert (tc_orp a b)).
Lemma closed_wrt_tc_bool:
forall {cs: compspecs} S b e, closed_wrt_vars S (denote_tc_assert (tc_bool b e)).
Lemma closed_wrt_tc_int_or_ptr_type:
forall {cs: compspecs} S t,
closed_wrt_vars S (denote_tc_assert (tc_int_or_ptr_type t)).