diff -r 686c58ea7a24 -r 91fe914e1bef Nominal/Test.thy
--- a/Nominal/Test.thy	Tue Mar 16 16:17:05 2010 +0100
+++ b/Nominal/Test.thy	Tue Mar 16 16:51:06 2010 +0100
@@ -59,7 +59,7 @@
 term alpha_bi
 
 lemma alpha_bi:
-  shows "alpha_bi pi b b' = True"
+  shows "alpha_bi b b' = True"
 apply(induct b rule: lam_bp_inducts(2))
 apply(simp_all)
 apply(induct b' rule: lam_bp_inducts(2))