%% 
%%  Ein Beispiel der DANTE-Edition
%%  Mathematiksatz mit LaTeX
%%  3. Auflage
%%  Beispiel 07-04-5 auf Seite 140.
%%  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]{examinimal-mathsymbols}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\AtBeginDocument{\setlength\parindent{0pt}}
%StartShownPreambleCommands
\usepackage{array,mathabx}
%StopShownPreambleCommands
\begin{document}
\begin{tabular}{@{}*{2}{r@{\kern3pt}l}r@{\kern3pt}l@{}l@{}}
\mathsymbol{blacktriangledown}
\mathsymbol{blacktriangleleft}
\mathsymbol{blacktriangleright}\\
\mathsymbol{blacktriangleup}
\mathsymbol{smalltriangledown}
\mathsymbol{smalltriangleleft}   \\
\mathsymbol{smalltriangleright}
\mathsymbol{smalltriangleup}
\mathsymbol{ntriangleleft} \\  \mathsymbol{ntrianglerighteq}\mathsymbol{triangleright}
\mathsymbol{vartriangleright}\\ \mathsymbol{ntrianglelefteq} \mathsymbol{triangleleft}
\mathsymbol{trianglerighteq}\\ \mathsymbol{ntriangleright}  \mathsymbol{trianglelefteq}
\mathsymbol{vartriangleleft}
\end{tabular}
\end{document}