main.tex

\documentclass[11pt, oneside]{article}   	% use "amsart" instead of "article" for AMSLaTeX format

\usepackage{amsthm}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{syntax}
\usepackage{bm}
\usepackage{bussproofs}
\usepackage{hyperref}
\usepackage{thmtools}


\declaretheorem[style = definition, qed = $\square$]{definition}
\declaretheorem[style = remark, qed = $\square$]{notation}


\theoremstyle{plain} 
\newtheorem{lemma}{Lemma}

\theoremstyle{plain} 
\newtheorem{attempt} {Attempt}

\theoremstyle{plain}
 \newtheorem{theorem}{Theorem}
 
 
\theoremstyle{remark}
 \newtheorem{remark}{Remark}

\newtheorem{innerex}{Exercise}
\newenvironment{ex}[1]
  {\renewcommand\theinnerex{#1}\innerex}
  {\endinnerex}

%Create a solution environment 
%\newenvironment{solution}
 % {\renewcommand\qedsymbol{$\blacksquare$}\begin{proof}[Solution]}
  %{\end{proof}}
  
\newenvironment{solution}
  {\begin{proof}[Solution]}
  {\end{proof}}
  


\title{Selected Investigations on Type Theory}
\author{P. Rocha}
\date{\today}							

\begin{document}

\maketitle
%\section{}
%\subsection{}

\include{LambdaCalculus}
\include{STLCSyntaxSemantics}
\include{STLCTyping}
\include{NatBool}
\include{STLCNormalization}
\include{STLC+References}
\include{STLC+ReferencesTyping}
\include{Polymorphism
}



\end{document}