main.tex

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% \title{MATH 421 Lecture notes}
% \author{Pongsaphol Pongsawakul}
\begin{document}

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\setuptoc{toc}{leveldown}

\title{MATH 421 Lecture Notes}
\author{Pongsaphol Pongsawakul}
\date{Fall 2022}
\maketitle
\tableofcontents

\setcounter{secnumdepth}{-1}

\include{Notes/properties.tex}
\include{Notes/00}

\setcounter{secnumdepth}{1}

\include{Notes/01}
\include{Notes/02}
\include{Notes/03}
\include{Notes/04}
\include{Notes/05}
\include{Notes/06}

\appendix
\include{Notes/appendix}
\include{Notes/pracitce}

\end{document}