diff -r 4f20eb450a64 -r 5e0570ea8b70 Datatype.thy
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Datatype.thy	Fri Mar 18 20:33:32 1994 +0100
@@ -0,0 +1,1 @@
+Datatype = Arith