
diff -r 378077bab5d2 -r d3831bf423f2 thys/MyTree.thy
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thys/MyTree.thy	Fri Oct 10 18:45:10 2014 +0100
@@ -0,0 +1,3 @@
+theory MyTree
+imports Main
+begin




