--- a/doc-src/TutorialI/Recdef/Nested2.thy Thu Dec 02 15:37:32 2010 +0100
+++ b/doc-src/TutorialI/Recdef/Nested2.thy Thu Dec 02 16:04:22 2010 +0100
@@ -30,7 +30,7 @@
text{*\noindent
If the proof of the induction step mystifies you, we recommend that you go through
the chain of simplification steps in detail; you will probably need the help of
-@{text"trace_simp"}. Theorem @{thm[source]map_cong} is discussed below.
+@{text"simp_trace"}. Theorem @{thm[source]map_cong} is discussed below.
%\begin{quote}
%{term[display]"trev(trev(App f ts))"}\\
%{term[display]"App f (rev(map trev (rev(map trev ts))))"}\\