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33 lines
1.3 KiB
33 lines
1.3 KiB
\item \lect Given the \textit{Binary Decision Diagram (BDD)} below,
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find a satisfying and a falsifying model of $f$.
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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=2mm,
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l sep=4mm}
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[$f$, rectangle, draw, tikz={\draw [line] () to (a.north);}
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[$a$, name=a, tikz={\draw [line] () to (b.north east); \draw [dot=.5] () to (c2.north west);}
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[$b$, name=b, tikz={\draw [dot=.5, bend left] () to (c1.north east); \draw [line, bend right] () to (c1.north west);}
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[$c$, name=c1, s sep=20mm, tikz={\draw [line] () to (one.north); \draw [dot=.5] () to (e.north west);}
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[,phantom]
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[$e$, name=e, s sep=10mm, tikz={\draw [line, bend left] () to (one.north east); \draw [dot=.5, bend left] () to (one.east);}
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[$1$, rectangle, draw, name=one]
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[$0$, rectangle, draw, name=zero]
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]
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]
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]
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[$c$, name=c2, tikz={\draw [line, bend right] () to (e.north); \draw [dot=.5, bend left] () to (d.north);}
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[,phantom]
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[$d$, name=d, tikz={\draw [line] () to (e.north east); \draw[dot=.5] () to (zero.north);
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}
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[,phantom]
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[,phantom]
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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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