diff -r abd46dfc0212 -r f38adea0591c Nominal-General/Nominal2_Eqvt.thy
--- a/Nominal-General/Nominal2_Eqvt.thy	Thu May 13 17:41:28 2010 +0100
+++ b/Nominal-General/Nominal2_Eqvt.thy	Thu May 13 18:19:48 2010 +0100
@@ -302,7 +302,7 @@
   imp_eqvt [folded induct_implies_def]
 
   (* nominal *)
-  supp_eqvt fresh_eqvt add_perm_eqvt atom_eqvt
+  supp_eqvt fresh_eqvt add_perm_eqvt atom_eqvt swap_eqvt
 
   (* datatypes *)
   Pair_eqvt permute_list.simps