lean.tex

\documentclass[11pt]{article}
\usepackage[left=1mm, right=1mm, top=1mm, bottom=1mm,paperwidth=140mm, paperheight=297mm]{geometry}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}
\usepackage{amssymb,amsmath,amsthm,amsfonts}
\usepackage{graphicx}
\usepackage{xcolor}
\usepackage{enumerate}
\usepackage[most]{tcolorbox}
\usepackage{physics}
\usepackage{multicol}
\usepackage{tabularx}
\usepackage{relsize}
\usepackage{hyperref}

\title{Analysis II}
\author{}
\date{\today}

\input{basic.sty}
\input{math-lean.sty}

% lean settings
\let\olditemize=\itemize \let\endolditemize=\enditemize \renewenvironment{itemize}{\olditemize \itemsep0em}{\endolditemize}

\begin{document}

\input{content/0_general.tex}
\input{content/1_differential_equations.tex}
\input{content/2_differential_calculus.tex}
\input{content/3_integration_in_rd.tex} 
\input{content/4_tricks.tex}

\clearpage
\input{content/5_integrals.tex}

\end{document}