diff -r aea65ff733b4 -r 408e3acfdbb9 doc-src/Ref/tactic.tex
--- a/doc-src/Ref/tactic.tex	Sun Jan 29 22:00:10 2012 +0100
+++ b/doc-src/Ref/tactic.tex	Sun Jan 29 22:12:25 2012 +0100
@@ -66,23 +66,6 @@
   (see Chapter~\ref{chap:simplification}).
 \end{warn}
 
-\subsection{Theorems useful with tactics}
-\index{theorems!of pure theory}
-\begin{ttbox} 
-asm_rl: thm 
-\end{ttbox}
-\begin{ttdescription}
-\item[\tdx{asm_rl}] 
-is $\psi\Imp\psi$.  Under elim-resolution it does proof by assumption, and
-\hbox{\tt eresolve_tac (asm_rl::{\it thms}) {\it i}} is equivalent to
-\begin{ttbox} 
-assume_tac {\it i}  ORELSE  eresolve_tac {\it thms} {\it i}
-\end{ttbox}
-
-\end{ttdescription}
-
-
-\section{Obscure tactics}
 
 \subsection{Composition: resolution without lifting}
 \index{tactics!for composition}