diff -r a5f5b9336007 -r 1cde7bf45858 progtut/Advanced.thy~
--- a/progtut/Advanced.thy~	Sat Sep 13 10:07:14 2014 +0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,2 +0,0 @@
-theory Advanced
-imports Essential
\ No newline at end of file