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17 lines
564 B

9 months ago
  1. \begin{center}
  2. \begin{forest}
  3. for tree={circle, draw, no edge,
  4. minimum size=2em,
  5. inner sep=0pt,
  6. s sep=2mm,
  7. l sep=2mm}
  8. [$f$, rectangle, draw, tikz={\draw [line] () to (a.north);}
  9. [$a$, name=a, tikz={\draw [line] () to (c1.north east); \draw [dot=.5] () to (b1.north west);}
  10. [$c$, name=c1, tikz={\draw [line] () to (250:3); \draw [fulldot=.5] () to (265:3);}
  11. ]
  12. [$b$, name=b1, tikz={\draw [line] () to (270:3); \draw [fulldot=.5] () to (285:3);}
  13. ]
  14. ]
  15. ]
  16. \end{forest}
  17. \end{center}