diff -r ff6b0c1087f2 -r 95f1e700b712 src/ZF/Coind/Dynamic.thy
--- a/src/ZF/Coind/Dynamic.thy	Tue Mar 06 16:06:52 2012 +0000
+++ b/src/ZF/Coind/Dynamic.thy	Tue Mar 06 16:46:27 2012 +0000
@@ -8,7 +8,7 @@
 consts
   EvalRel :: i
 inductive
-  domains "EvalRel" <= "ValEnv * Exp * Val"
+  domains "EvalRel" \<subseteq> "ValEnv * Exp * Val"
   intros
     eval_constI:
       " [| ve \<in> ValEnv; c \<in> Const |] ==>