diff -r 58110c1e02bc -r 73555abfa267 src/ZF/Induct/Term.thy
--- a/src/ZF/Induct/Term.thy	Tue Mar 13 14:17:42 2012 +0100
+++ b/src/ZF/Induct/Term.thy	Tue Mar 13 14:44:16 2012 +0100
@@ -138,8 +138,7 @@
   apply (subst term_rec)
    apply (assumption | rule a)+
   apply (erule list.induct)
-   apply (simp add: term_rec)
-  apply (auto simp add: term_rec)
+   apply auto
   done
 
 lemma def_term_rec: