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%%  Ein Beispiel der DANTE-Edition
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%%  Copyright (C) 2013 Herbert Voss
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%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
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%%  See http://www.latex-project.org/lppl.txt for details.
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{unicode-math}   \setmathfont{XITS Math}
\unimathsetup{math-style=TeX,bold-style=upright,sans-style=italic}
%StopShownPreambleCommands
\begin{document}
${ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz}$\\
${ΑΒΓΔΕΖΗΘϴΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ αβγδεϵζηθϑικϰλμνξοπϖρϱςστυφϕχψω}$

$\mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz}$\\
$\mathbf{ΑΒΓΔΕΖΗΘϴΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ αβγδεϵζηθϑικϰλμνξοπϖρϱςστυφϕχψω}$

$\mathsf{ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz}$\\
$\mathsf{ΑΒΓΔΕΖΗΘϴΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ αβγδεϵζηθϑικϰλμνξοπϖρϱςστυφϕχψω}$
\end{document}