use logic.ML earlier;
added primitive_defs.ML;

--- a/src/Pure/ROOT.ML	Tue Aug 14 13:20:14 2007 +0200
+++ b/src/Pure/ROOT.ML	Tue Aug 14 13:20:15 2007 +0200
@@ -22,6 +22,7 @@
 use "name.ML";
 use "term.ML";
 use "term_subst.ML";
+use "logic.ML";
 use "General/pretty.ML";
 use "Syntax/lexicon.ML";
 use "Syntax/simple_syntax.ML";
@@ -47,8 +48,8 @@
 
 (*core of tactical proof system*)
 use "envir.ML";
-use "logic.ML";
 use "consts.ML";
+use "primitive_defs.ML";
 use "sign.ML";
 use "pattern.ML";
 use "unify.ML";