LaTeX中的各种定理-问题-属性-引理写法

\theoremstyle{mystyle}
\newtheorem{theorem}{定理}[section]
\newtheorem{definition}{定义}[section]
\newtheorem{lemma}{引理}[section]
\newtheorem{corollary}{推论}[section]
\newtheorem{proposition}{命题}[section]
\newtheorem{conjecture}{猜想}[section]
\newtheorem{remark}{注}[section]
\newtheorem{example}{例}[section]
\newtheorem{problem}{问题}[section]
\newtheorem{assumption}{假设}[section]
\newtheorem{conditions}{条件}[section]
\newtheorem{property}{性质}[section]

 

\begin{theorem}

1+1 +1

\label{名称}

\end{theorem}