New unified treatment of sequent calculi by Sara Kalvala
combines the old LK and Modal with the new ILL (Int. Linear Logic)
open ILL_predlog;
fun auto1 x = prove_goal thy x
(fn prems => [best_tac safe_cs 1]) ;
fun auto2 x = prove_goal thy x
(fn prems => [best_tac power_cs 1]) ;