Hint Resolve closed_wrt_tc_temp_id closed_wrtl_tc_temp_id : closed.

(* Specifications: *)
Lemma expr_closed_tempvar:
forall {cs: compspecs} S i t, ~ S i -> expr_closed_wrt_vars S (Etempvar i t).
Lemma expr_closedl_tempvar:
forall S i t, expr_closed_wrt_lvars S (Etempvar i t).