关于标签和交叉引用的问题

关于标签和交叉引用的问题

我正在尝试在文章中使用交叉引用,这是我的代码示例。

\documentclass[11pt]{amsart}
\usepackage[margin=1in]{geometry}   % set the margins to 1in on all sides
\usepackage{graphicx}              % to include figures
\usepackage{amsmath}               % great math stuff
\usepackage{amsfonts}              % for blackboard bold, etc
\usepackage{amsthm}                % better theorem environments
\usepackage{epsfig}         % For postscript
\usepackage{epic,eepic}       % For epic and eepic output from xfig
\usepackage{showkeys}
\usepackage{pdfsync}
\usepackage{mathdots}
\usepackage{lmodern}






\newtheoremstyle{break}% name
  {}%         Space above, empty = `usual value'
  {}%         Space below
  {\itshape}% Body font
  {}%         Indent amount (empty = no indent, \parindent = para indent)
  {\bfseries}% Thm head font
  {.}%        Punctuation after thm head
  {\newline}% Space after thm head: \newline = linebreak
  {}%         Thm head spec

\theoremstyle{break}
\newtheorem{thm}{Theorem}[section]
\newtheorem{cor}[thm]{Corollary}
\newtheorem{prop}[thm]{Proposition}
\newtheorem{lemma}[thm]{Lemma}
\newtheorem{conj}[thm]{Conjecture}
\newtheorem{quest}[thm]{Question}

\theoremstyle{break}
\newtheorem{defn}[thm]{Definition}
\newtheorem{defns}[thm]{Definitions}
\newtheorem{con}[thm]{Construction}
\newtheorem{exmp}[thm]{Example}
\newtheorem{exmps}[thm]{Examples}
\newtheorem{notn}[thm]{Notation}
\newtheorem{notns}[thm]{Notations}
\newtheorem{addm}[thm]{Addendum}
\newtheorem{exer}[thm]{Exercise}

\theoremstyle{remark}
\newtheorem{rk}[thm]{Remark}
\newtheorem{rks}[thm]{Remarks}
\newtheorem{warn}[thm]{Warning}
\newtheorem{sch}[thm]{Scholium}

\newenvironment{sketchpf}{\noindent{\it Sketch of Proof}\hspace*{1em}}{\qed\bigskip\\}
\newenvironment{proof-idea}{\noindent{\bf Proof Idea}\hspace*{1em}}{\qed\bigskip\\}
\newenvironment{proof-of-lemma}[1]{\noindent{\bf Proof of Lemma #1}\hspace*{1em}}{\qed\bigskip\\}
\newenvironment{proof-attempt}{\noindent{\bf Proof Attempt}\hspace*{1em}}{\qed\bigskip\\}
\newenvironment{proofof}[1]{\noindent{\bf Proof} of #1:\hspace*{1em}}{\qed\bigskip\\}
\newenvironment{remark}{\noindent{\bf Remark}\hspace*{1em}}{\bigskip}

\begin{document}
\begin{prop}\label{2}
   This is just an sample.
\end{prop}
By Proposition \ref{2}, we can see the problem.
\end{document}

但是当我编译我的文件时,在命题(上述命题的编号)旁边的方框中有一个“1”,而在参考部分,在命题上方的方框中有一个小“1”。

有没有什么办法可以去掉这些方框?

谢谢。

在此处输入图片描述

答案1

正如我在评论中猜测的那样,你有

\usepackage{showkeys}

这是一个仅用于草稿的包裹,用于显示内部标签。

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