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29 lines
1.3 KiB
29 lines
1.3 KiB
\item \self Convert the following BDD into a \emph{reduced ordered} BDD.
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\begin{center}
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\begin{forest}
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for tree={circle, draw, no edge,
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minimum size=2em,
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inner sep=0pt,
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s sep=6mm,
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l sep=6mm}
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[$f$, rectangle, draw, tikz={\draw [line] () to (p.north);}
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[$q$, name=q, tikz={\draw [line] () to (s1.north); \draw [dot=.5] () to (s2.north);}
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[$s$, name=s1, tikz={\draw [line] () to (240:4.1); \draw [fulldot=.5] () to (r1.north);}
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[,phantom]
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[$r$, name=r1, tikz={\draw [line] () to (p1.north); \draw[dot=.5] () to (p2.north);}
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[$p$, name=p1, tikz={\draw [line] () to (254:6.57); \draw[fulldot=.5] () to (263:6.37);}]
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[$p$, name=p2, tikz={\draw [line] () to (266:6.33); \draw[dot=.5] () to (275:6.35);}]
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]
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]
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[$s$, name=s2, tikz={\draw [line] () to (281:3.6); \draw [fulldot=.5] () to (r2.north);}
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[,phantom]
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[$r$, name=r2, tikz={\draw [line] () to (p3.north); \draw[dot=.5] () to (p4.north);}
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[$p$, name=p3, tikz={\draw [line] () to (277:6.38); \draw[fulldot=.5] () to (286:6.6);}]
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[$p$, name=p4, tikz={\draw [line] () to (288:6.65); \draw[dot=.5] () to (297:7.1);}]
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]
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]
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]
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]
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\end{forest}
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\end{center}
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