diff -r 238062c4c9f2 -r 2786ff1df475 Nominal/Ex/ExLet.thy
--- a/Nominal/Ex/ExLet.thy	Wed May 12 16:33:50 2010 +0100
+++ b/Nominal/Ex/ExLet.thy	Wed May 12 16:59:53 2010 +0100
@@ -34,7 +34,6 @@
 (*thm trm_lts.supp*)
 thm trm_lts.fv[simplified trm_lts.supp(1-2)]
 
-equivariance alpha_bn_raw
 
 primrec
   permute_bn_raw