%% 
%%  Der Mathematiksatz mit LaTeX, 1. Auflage 2009
%% 
%%  Example 7-15-1 on page 156.
%% 
%%  Copyright (C) 2009 Herbert Voss
%% 
%%  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{355.65944pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands
\usepackage{lmodern,nath}
\StopShownPreambleCommands
\begin{document}
\begin{tabular}{@{}r@{\kern3pt}lr@{\kern3pt}l@{}}
$\niv$ & \texttt{\textbackslash niv} & $\vin$ & \texttt{\textbackslash vin}
\end{tabular}
\end{document}