%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 3-3-19 on page 139.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.0pt}

\StartShownPreambleCommands
\usepackage{amsthm}
\newtheorem{lem}{Lemma}
\newtheorem*{ML}{Mittelbach's Lemma}
\StopShownPreambleCommands
\begin{document}
\begin{lem}[Main] The \LaTeX{} Companion
  complements any \LaTeX{} introduction.
\end{lem}
\begin{ML} The \LaTeX{} Companion contains
  packages from all application areas.
\end{ML}
\end{document}
