diff -r 7c6a970f0808 -r de0f4a63baa5 src/HOL/UNITY/Comp/Counterc.thy
--- a/src/HOL/UNITY/Comp/Counterc.thy	Sat Dec 01 18:51:46 2001 +0100
+++ b/src/HOL/UNITY/Comp/Counterc.thy	Sat Dec 01 18:52:32 2001 +0100
@@ -13,7 +13,7 @@
 
 Counterc =  Comp +
 types state
-arities state :: term
+arities state :: type
 
 consts
   C :: "state=>int"