% language settings:
\usepackage[english,main=ngerman]{babel}  % language setting

% encoding and font settings:
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}

% style settings:
\usepackage{parskip}

% math:
\usepackage{amsmath,amsthm,amssymb,amsfonts}