diff -r b24210573eca -r e8aa81362f41 doc-src/TutorialI/CTL/PDL.thy
--- a/doc-src/TutorialI/CTL/PDL.thy	Thu Oct 12 17:54:22 2000 +0200
+++ b/doc-src/TutorialI/CTL/PDL.thy	Thu Oct 12 18:06:31 2000 +0200
@@ -106,7 +106,7 @@
 which is proved by @{term lfp}-induction:
 *}
 
- apply(erule Lfp.induct)
+ apply(erule lfp_induct)
   apply(rule mono_ef)
  apply(simp)
 (*pr(latex xsymbols symbols);*)