--- a/Nominal/Ex/ExLet.thy	Tue May 11 17:16:57 2010 +0200
+++ b/Nominal/Ex/ExLet.thy	Tue May 11 18:20:25 2010 +0200
@@ -34,12 +34,7 @@
 (*thm trm_lts.supp*)
 thm trm_lts.fv[simplified trm_lts.supp(1-2)]
 
-
-declare permute_trm_raw_permute_lts_raw.simps[eqvt]
-
-equivariance alpha_trm_raw
-
-
+equivariance alpha_bn_raw
 
 primrec
   permute_bn_raw