introduce aligned-overset

tex/header/stdmath.sty

@@ -68,6 +68,8 @@
 % \ifopt@german{\setdefaultlanguage{german}}\else{\setdefaultlanguage{english}}\fi
 \RequirePackage[\ifopt@german ngerman \else english \fi]{babel}
 \RequirePackage{amsmath, amsfonts} 
+\RequirePackage{aligned-overset}  % for nicely aligned text over relation symbols
+% with \overset{\text{Definition}}&{=} instead of &\stackrel{\text{Definition}}=
 \RequirePackage{mathtools}    % for := (defined as)
 \RequirePackage{amsthm}                   % for theorems environments
 \RequirePackage{enumerate}                  % for different kind of numbering in enumerations