\chapter{定理型聲明示例}
\section{自動編號的聲明}
\begin{definition} %
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\end{definition}%
\begin{proposition} %
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\end{proposition}%
\begin{theorem}%
 \aaa
\end{theorem}%
\begin{example}%
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\end{example}
\begin{lemma}%
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\end{lemma}
\begin{axiom}%
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\end{axiom}
\begin{corollary}%
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\end{corollary}
\begin{exercise}%
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\end{exercise}
\begin{proof}%
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\end{proof}