diff -r fd19f77dcf60 -r 75166ebb619b src/Sequents/S43.thy
--- a/src/Sequents/S43.thy	Sun Sep 18 14:25:48 2005 +0200
+++ b/src/Sequents/S43.thy	Sun Sep 18 15:20:08 2005 +0200
@@ -1,4 +1,4 @@
-(*  Title:      Modal/S43
+(*  Title:      Modal/S43.thy
     ID:         $Id$
     Author:     Martin Coen
     Copyright   1991  University of Cambridge
@@ -6,7 +6,9 @@
 This implements Rajeev Gore's sequent calculus for S43.
 *)
 
-S43 = Modal0 +
+theory S43
+imports Modal0
+begin
 
 consts
   S43pi :: "[seq'=>seq', seq'=>seq', seq'=>seq',
@@ -15,17 +17,34 @@
   "@S43pi" :: "[seq, seq, seq, seq, seq, seq] => prop"
                          ("S43pi((_);(_);(_);(_);(_);(_))" [] 5)
 
-rules
+ML {*
+  val S43pi  = "S43pi";
+  val SS43pi = "@S43pi";
+
+  val tr  = seq_tr;
+  val tr' = seq_tr';
+
+  fun s43pi_tr[s1,s2,s3,s4,s5,s6]=
+        Const(S43pi,dummyT)$tr s1$tr s2$tr s3$tr s4$tr s5$tr s6;
+  fun s43pi_tr'[s1,s2,s3,s4,s5,s6] =
+        Const(SS43pi,dummyT)$tr' s1$tr' s2$tr' s3$tr' s4$tr' s5$tr' s6;
+
+*}
+
+parse_translation {* [(SS43pi,s43pi_tr)] *}
+print_translation {* [(S43pi,s43pi_tr')] *}
+
+axioms
 (* Definition of the star operation using a set of Horn clauses  *)
 (* For system S43: gamma * == {[]P | []P : gamma}                *)
 (*                 delta * == {<>P | <>P : delta}                *)
 
-  lstar0         "|L>"
-  lstar1         "$G |L> $H ==> []P, $G |L> []P, $H"
-  lstar2         "$G |L> $H ==>   P, $G |L>      $H"
-  rstar0         "|R>"
-  rstar1         "$G |R> $H ==> <>P, $G |R> <>P, $H"
-  rstar2         "$G |R> $H ==>   P, $G |R>      $H"
+  lstar0:         "|L>"
+  lstar1:         "$G |L> $H ==> []P, $G |L> []P, $H"
+  lstar2:         "$G |L> $H ==>   P, $G |L>      $H"
+  rstar0:         "|R>"
+  rstar1:         "$G |R> $H ==> <>P, $G |R> <>P, $H"
+  rstar2:         "$G |R> $H ==>   P, $G |R>      $H"
 
 (* Set of Horn clauses to generate the antecedents for the S43 pi rule       *)
 (* ie                                                                        *)
@@ -37,43 +56,27 @@
 (*    and Sj == <>P1...<>Pk, $G * |- $H *, []Q1...[]Qj-1,[]Qj+1...[]Qm,Qj    *)
 (*    and 1<=i<=k and k<j<=k+m                                               *)
 
-  S43pi0         "S43pi $L;; $R;; $Lbox; $Rdia"
-  S43pi1
-   "[| (S43pi <>P,$L';     $L;; $R; $Lbox;$Rdia);   $L',P,$L,$Lbox |- $R,$Rdia |] ==> 
+  S43pi0:         "S43pi $L;; $R;; $Lbox; $Rdia"
+  S43pi1:
+   "[| (S43pi <>P,$L';     $L;; $R; $Lbox;$Rdia);   $L',P,$L,$Lbox |- $R,$Rdia |] ==>
        S43pi     $L'; <>P,$L;; $R; $Lbox;$Rdia"
-  S43pi2
-   "[| (S43pi $L';; []P,$R';     $R; $Lbox;$Rdia);  $L',$Lbox |- $R',P,$R,$Rdia |] ==> 
+  S43pi2:
+   "[| (S43pi $L';; []P,$R';     $R; $Lbox;$Rdia);  $L',$Lbox |- $R',P,$R,$Rdia |] ==>
        S43pi $L';;     $R'; []P,$R; $Lbox;$Rdia"
 
 (* Rules for [] and <> for S43 *)
 
-  boxL           "$E, P, $F, []P |- $G ==> $E, []P, $F |- $G"
-  diaR           "$E |- $F, P, $G, <>P ==> $E |- $F, <>P, $G"
-  pi1
-   "[| $L1,<>P,$L2 |L> $Lbox;  $L1,<>P,$L2 |R> $Ldia;  $R |L> $Rbox;  $R |R> $Rdia;  
-      S43pi ; $Ldia;; $Rbox; $Lbox; $Rdia |] ==> 
+  boxL:           "$E, P, $F, []P |- $G ==> $E, []P, $F |- $G"
+  diaR:           "$E |- $F, P, $G, <>P ==> $E |- $F, <>P, $G"
+  pi1:
+   "[| $L1,<>P,$L2 |L> $Lbox;  $L1,<>P,$L2 |R> $Ldia;  $R |L> $Rbox;  $R |R> $Rdia;
+      S43pi ; $Ldia;; $Rbox; $Lbox; $Rdia |] ==>
    $L1, <>P, $L2 |- $R"
-  pi2
-   "[| $L |L> $Lbox;  $L |R> $Ldia;  $R1,[]P,$R2 |L> $Rbox;  $R1,[]P,$R2 |R> $Rdia;  
-      S43pi ; $Ldia;; $Rbox; $Lbox; $Rdia |] ==> 
+  pi2:
+   "[| $L |L> $Lbox;  $L |R> $Ldia;  $R1,[]P,$R2 |L> $Rbox;  $R1,[]P,$R2 |R> $Rdia;
+      S43pi ; $Ldia;; $Rbox; $Lbox; $Rdia |] ==>
    $L |- $R1, []P, $R2"
-end
-
-ML
 
-local
-
-  val S43pi  = "S43pi";
-  val SS43pi = "@S43pi";
-
-  val tr  = Sequents.seq_tr;
-  val tr' = Sequents.seq_tr';
+ML {* use_legacy_bindings (the_context ()) *}
 
-  fun s43pi_tr[s1,s2,s3,s4,s5,s6]=
-        Const(S43pi,dummyT)$tr s1$tr s2$tr s3$tr s4$tr s5$tr s6;
-  fun s43pi_tr'[s1,s2,s3,s4,s5,s6] =
-        Const(SS43pi,dummyT)$tr' s1$tr' s2$tr' s3$tr' s4$tr' s5$tr' s6;
-in
-val parse_translation = [(SS43pi,s43pi_tr)];
-val print_translation = [(S43pi,s43pi_tr')]
 end