%% 
%%  Ein Beispiel der DANTE-Edition
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%%  1. Auflage
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%%  Beispiel 09-08-9 auf Seite 477.
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%%  Copyright (C) 2011 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.
%% 
%% 
%% ==== 
% Show page(s) 1
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\def\arraystretch{0.5}
\StartShownPreambleCommands
\usepackage{braket,tabularx}
\StopShownPreambleCommands
\begin{document}
\begin{tabularx}{\linewidth}{@{}XXX@{}}
\[ \Bra{x\in\mathbf{R} | 0<|x|<\frac{5}{3}} \]
  & \[ \Ket{x\in\mathbf{R} | 0<|x|<\frac{5}{3}} \]
  & \[ \Braket{x\in\mathbf{R} | 0<|x|<\frac{5}{3}} \] \\
\[ \Braket{x\in\mathbf{R} | 0<\vert x\vert <\frac{5}{3}} \]
  & \[ \Set{x\in\mathbf{R} | 0<|x|<\frac{5}{3}} \]
\end{tabularx}
\end{document}