src/Sequents/S4.ML
author paulson
Mon Dec 07 18:26:25 1998 +0100 (1998-12-07)
changeset 6019 0e55c2fb2ebb
parent 2073 fb0655539d05
child 17481 75166ebb619b
permissions -rw-r--r--
tidying
     1 (*  Title:      Modal/S4
     2     ID:         $Id$
     3     Author:     Martin Coen
     4     Copyright   1991  University of Cambridge
     5 *)
     6 
     7 local open Modal0_rls S4
     8 in structure MP_Rule : MODAL_PROVER_RULE =
     9    struct
    10     val rewrite_rls = rewrite_rls
    11     val safe_rls    = safe_rls
    12     val unsafe_rls  = unsafe_rls @ [boxR,diaL]
    13     val bound_rls   = bound_rls @ [boxL,diaR]
    14     val aside_rls   = [lstar0,lstar1,lstar2,rstar0,rstar1,rstar2]
    15    end;
    16 end;
    17 structure S4_Prover = Modal_ProverFun(MP_Rule);