# PDF file disappears

\documentclass[11pt,oneside,onecolumn]{article}
\usepackage{amsthm}
\usepackage{verbatim}
\usepackage{physics}
\theoremstyle{definition} \newtheorem{law}{Law}
\theoremstyle{plain} \newtheorem{jury}[law]{Jury}
\theoremstyle{remark} \newtheorem{marg}{Margret}
\newtheorem{mur}{Murphy}[section]
\begin{document}
\section
\subsection
\subsubsection

\begin{law}
Don’t hide in the witness box\label{box}
\end{law}

\begin{jury}[The Twelve]
It could be you! So beware and see law \ref{box}
\end{jury}

\begin{marg}
No, No, No
\end{marg}

\begin{mur}
If there are two or more ways to do something,
and one of those ways can result in a
catastrophe, then someone will do it.
\end{mur}

\begin{proof}
Trivial, use
$E = mc^2$
\end{proof}

\begin{proof}
Trivial, use
$E = mc^2\qedhere$
\end{proof}

\end{document}


I spent lots of time on this. Any suggestion would be appreciated.

• It will come back once you replace \section\subsection\subsubsection by \section{I always need to put a section title} \subsection{I always need to put a subsection title} \subsubsection{I always need to put a subsubsection title} ;-) – marmot Aug 10 at 1:16