<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass{ppex}
\nonstopmode
\usepackage [all,arc,dvips]{xy}
\pagestyle{empty}
\setlength\textwidth{183.0pt}
\begin{document}
\ResetPreambleCommands
\ReadyForTheFray
\usepackage [all,arc,dvips]{xy}
\[\begin{xy} 0;/r12mm/:
   {\ar@{.&gt;} 0;(1,0)}
  ,{\ar@{.&gt;} 0;(0,1)}
  ,(0,0)*@{*}="c",*+!RU{c}
  ,(1.2,0.8)*@{o}="p",*+!LD{p}
  ,"p";"c"**@{--}
  ,{\ellipse(1.1,.6){}}
  ,{\ellipse(,0.8){}}
  ,{\ellipse&lt;6mm,4mm&gt;{=}}
  ,{\ellipse&lt;,5mm&gt;{--}}
\end{xy}\]
\end{document}
</pre></body></html>