%% 
%%  Example 06-03-1 
%%  Copyright (C) 2016 Herbert Voss
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{screxa}
\pagestyle{empty}
\setlength\textwidth{158.31393pt}
\setlength\parindent{0pt}
\usepackage[T1]{fontenc}
%StartShownPreambleCommands
\usepackage{mathtools,amssymb}
\def\bijmap{\ensuremath{%
  \mathrlap{\rightarrowtail}\rightarrow}}
%StopShownPreambleCommands
\begin{document}
\bijmap \qquad\Huge\bijmap
\end{document}
