src/HOL/Nominal/nominal_datatype.ML
changeset 32010 cb1a1c94b4cd
parent 31936 9466169dc8e0
child 32124 954321008785
--- a/src/HOL/Nominal/nominal_datatype.ML	Wed Jul 15 23:11:57 2009 +0200
+++ b/src/HOL/Nominal/nominal_datatype.ML	Wed Jul 15 23:48:21 2009 +0200
@@ -147,7 +147,7 @@
   | perm_simproc' thy ss _ = NONE;
 
 val perm_simproc =
-  Simplifier.simproc (the_context ()) "perm_simp" ["pi1 \<bullet> (pi2 \<bullet> x)"] perm_simproc';
+  Simplifier.simproc @{theory} "perm_simp" ["pi1 \<bullet> (pi2 \<bullet> x)"] perm_simproc';
 
 val meta_spec = thm "meta_spec";