src/Sequents/S4.ML
author wenzelm
Wed, 19 Jul 2006 12:12:03 +0200
changeset 20160 550e36c6a2d1
parent 17481 75166ebb619b
permissions -rw-r--r--
added variant_frees; tuned;

(*  Title:      Modal/S4.ML
    ID:         $Id$
    Author:     Martin Coen
    Copyright   1991  University of Cambridge
*)

local open Modal0_rls
in structure MP_Rule : MODAL_PROVER_RULE =
   struct
    val rewrite_rls = rewrite_rls
    val safe_rls    = safe_rls
    val unsafe_rls  = unsafe_rls @ [boxR,diaL]
    val bound_rls   = bound_rls @ [boxL,diaR]
    val aside_rls   = [lstar0,lstar1,lstar2,rstar0,rstar1,rstar2]
   end;
end;
structure S4_Prover = Modal_ProverFun(MP_Rule);