%% 
%%  Ein Beispiel der DANTE-Edition
%%  Mathematiksatz mit LaTeX
%%  3. Auflage
%%  Beispiel 09-09-2 auf Seite 180.
%%  Copyright (C) 2018 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
%% 
%% 
\documentclass[10pt]{screxa}
\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@{}}
\[ \Bra{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \]
  & \[ \Ket{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \]
  & \[ \Braket{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \] \\[-15pt]
\[ \Braket{x\in\mathbf{R} | 0<\vert \frac{x}{2}\vert <\frac{5}{3}} \]
  & \[ \Set{x\in\mathbf{R} | 0<|\frac{x}{2}|<\frac{5}{3}} \]
\end{tabularx}
\end{document}