diff -r ad9d2dedaeaa -r fc103154ad8f src/HOL/Auth/OtwayRees_AN.thy
--- a/src/HOL/Auth/OtwayRees_AN.thy	Fri Dec 13 10:57:50 1996 +0100
+++ b/src/HOL/Auth/OtwayRees_AN.thy	Fri Dec 13 11:00:44 1996 +0100
@@ -14,7 +14,7 @@
 
 OtwayRees_AN = Shared + 
 
-consts  otway   :: "agent set => event list set"
+consts  otway   :: agent set => event list set
 inductive "otway lost"
   intrs 
          (*Initial trace is empty*)