\documentclass[a4paper, 12pt]{article}
\usepackage{amsfonts}
\usepackage{tikz}
\usepackage{amsmath}
\newtheorem{theorem}{Theorem}
\newtheorem{example}[theorem]{Example}
\begin{document}
\begin{example}
\begin{figure}[hbt!]
\begin{center}
\begin{tikzpicture}[scale=0.40,
thick,
acteur/.style={
circle,
fill=blue,
thick,
inner sep=2pt,
minimum size=0.cm,scale=0.65
}
]
\node (a1) at (0,0) [acteur,label=below:\scriptsize{1}]{};
\node (a6) at (1.5,0) [acteur,label=below:\scriptsize{6}]{};
\node (a7) at (3,1) [acteur,label=above:\scriptsize{7}]{};
\node (a8) at (4.5,2) [acteur,label=right:\scriptsize{8}]{};
\node (a9) at (3,-1) [acteur,label=below:\scriptsize{9}]{};
\node (a10) at (4.5,-2) [acteur,label=right:\scriptsize{10}]{};
\node (a2) at (-1.5,1) [acteur,label=above:\scriptsize{2}]{};
\node (a3) at (-3,2) [acteur,label=left:\scriptsize{3}]{};
\node (a4) at (-1.5,-1) [acteur,label=below:\scriptsize{4}]{};
\node (a5) at (-3,-2) [acteur,label=left:\scriptsize{5}]{};
\node at (-5.5,3) {\textit{$T$}};
\draw (a1) -- (a6);
\draw (a6) -- (a7);
\draw (a7) -- (a8);
\draw (a6) -- (a9);
\draw (a9) -- (a10);
\draw (a1) -- (a2);
\draw (a2) -- (a3);
\draw (a1) -- (a4);
\draw (a4) -- (a5);
\end{tikzpicture}
\caption{ A tree having property $\mathcal{R_E}$}\label{fig2}
\end{center}
\end{figure}
\end{example}
\end{document}
How I can place the example1 in above in left corner?
答案1
您可以\quad在之后使用\begin{example}：
\begin{example}
\quad
\begin{figure}[hbt!]
或者类似~如下\begin{example}：
\begin{example}~
\begin{figure}[hbt!]
