--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ProgTutorial/Recipes/USTypes.thy	Thu Mar 19 13:28:16 2009 +0100
@@ -0,0 +1,15 @@
+
+theory USTypes
+imports Main
+begin
+
+
+section {* User Space Type-Systems *}
+
+
+
+end
+  
+
+
+