diff -r 619b270607ac -r adc529c89281 src/Sequents/ILL_predlog.thy
--- a/src/Sequents/ILL_predlog.thy	Wed May 09 19:37:19 2007 +0200
+++ b/src/Sequents/ILL_predlog.thy	Wed May 09 19:37:20 2007 +0200
@@ -11,11 +11,13 @@
   disj :: "[plf,plf] => plf"   (infixr "|" 35)
   impl :: "[plf,plf] => plf"   (infixr ">" 35)
   eq :: "[plf,plf] => plf"   (infixr "=" 35)
-  "@NG" :: "plf => plf"   ("- _ " [50] 55)
   ff    :: "plf"
 
   PL    :: "plf => o"      ("[* / _ / *]" [] 100)
 
+syntax
+  "_NG" :: "plf => plf"   ("- _ " [50] 55)
+
 translations
 
   "[* A & B *]" == "[*A*] && [*B*]"