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在 beamer 中定义 thmtools 定理

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在 beamer 中定义 thmtools 定理

我想thmtools在 beamer 文档中使用它来设计定理。

下面的 MWE 给出了以下错误：

命令 \theorem 已定义。或名称 \end... 非法，请参阅手册第 192 页。

如何解决？

% !TEX TS-program = xelatex
\documentclass[twoside]{beamer}
\usepackage{amsthm,thmtools}

  \declaretheoremstyle[
    headfont=\normalfont\arial\bfseries, 
    notefont=\normalfont\arial\bfseries,
    headpunct={},
    postheadspace=\newline,
    bodyfont = \normalfont,
    spaceabove=8pt,
    spacebelow=8pt
]{definition}
\declaretheorem[name=Theorem,numberwithin=section,style=definition]{theorem}

\usepackage{polyglossia}
\setdefaultlanguage{english}
\newfontfamily\Arial{Arial}[Script=Latin,Language=English]
\newfontfamily\TimesE{Times New Roman}[Script=Latin,Language=English]
\newfontfamily\courier{Courier New}[Script=Latin,Language=English]

\begin{document}
\section{Introduction}
\begin{frame}
We begin the lecture by stating a theorem:
\begin{theorem}[Euclid]
For every prime $p$, there is a prime $p’>p$.
In particular, the list of primes,
\begin{equation}\label{eq:1}
2,3,5,7,\dots
\end{equation}
is infinite.
\end{theorem}
\end{frame}
\end{document}

答案1

您可以使用该notheorems选项来阻止 beamer 定义它们（如果您愿意，请删除该twoside选项。这对于 beamer 来说绝对没有意义）。

% !TEX TS-program = xelatex
\documentclass[notheorems]{beamer}
\usepackage{amsthm,thmtools}

  \declaretheoremstyle[
    headfont=\normalfont\arial\bfseries, 
    notefont=\normalfont\arial\bfseries,
    headpunct={},
    postheadspace=\newline,
    bodyfont = \normalfont,
    spaceabove=8pt,
    spacebelow=8pt
]{definition}
\declaretheorem[name=Theorem,numberwithin=section,style=definition]{theorem}

\usepackage{polyglossia}
\setdefaultlanguage{english}
\newfontfamily\Arial{Arial}[Script=Latin,Language=English]
\newfontfamily\TimesE{Times New Roman}[Script=Latin,Language=English]
\newfontfamily\courier{Courier New}[Script=Latin,Language=English]

\begin{document}
\section{Introduction}
\begin{frame}
We begin the lecture by stating a theorem:
\begin{theorem}[Euclid]
For every prime $p$, there is a prime $p’>p$.
In particular, the list of primes,
\begin{equation}\label{eq:1}
2,3,5,7,\dots
\end{equation}
is infinite.
\end{theorem}
\end{frame}
\end{document}

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