--- a/Nominal/Ex/SingleLet.thy	Wed May 12 16:33:50 2010 +0100
+++ b/Nominal/Ex/SingleLet.thy	Wed May 12 16:59:53 2010 +0100
@@ -28,7 +28,6 @@
 ML {* Sign.of_sort @{theory} (@{typ trm}, @{sort fs}) *}
 thm trm_assg.fv[simplified trm_assg.supp(1-2)]
 
-equivariance alpha_trm_raw
 
 
 end