Updated build system.

document.tex

@@ -2,54 +2,16 @@
 \usepackage{amssymb, amsmath, hyperref}
 \usepackage{preamble}
 
-\theoremstyle{plain}
-\newtheorem{theorem}[subsection]{Theorem}
-\newtheorem{proposition}[subsection]{Proposition}
-\newtheorem{lemma}[subsection]{Lemma}
-
-\theoremstyle{definition}
-\newtheorem{definition}[subsection]{Definition}
-\newtheorem{example}[subsection]{Example}
-\newtheorem{exercise}[subsection]{Exercise}
-\newtheorem{situation}[subsection]{Situation}
-
-\theoremstyle{remark}
-\newtheorem{remark}[subsection]{Remark}
-\newtheorem{remarks}[subsection]{Remarks}
-
-\numberwithin{equation}{subsection}
-
-\newcommand{\hi}{gamer}
-
 \begin{document}
 
-\chapter{A first chapter}
-\label{chapter:first}
 
-\section{A first section}
-\label{section:first}
+\input{./src/cat/index.tex}
+\input{./src/topology/index.tex}
+\input{./src/fa/index.tex}
+\input{./src/measure/index.tex}
 
-\begin{lemma}
-  \label{lemma:pythagoras}
-  $a^2=b^2+c^2$
-\hi
-\end{lemma}
-\begin{proof}
-greetings fellow gamer
-\[\xymatrix{ &  Y_1 &  \\  X \ar[ru]^{f_1} \ar[r]^{f_3} \ar[rd]_{f_2} &  Y_3 \ar[u]_{a_{31}} \ar[d]^{a_{32}} &  Y \ar[lu]_{s_1} \ar[l]_{s_3} \ar[ld]^{s_2} \\  &  Y_2 &  }\]
-\end{proof}
+\bibliographystyle{abbrv} % We choose the "plain" reference style
+\bibliography{refs} % Entries are in the refs.bib file
 
-\section{A second section}
-\label{section:second}
-
-
-\chapter{A second chapter}
-\label{chapter:second}
-
-\section{A third section}
-\label{section:third}
-
-\section{A fourth section}
-\label{section:fourth}
 
 \end{document}