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9 lines
425 B
9 lines
425 B
\item \ifassignmentsheet \points{5} \fi
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Use the lazy encoding approach to check whether the formula $\varphi$ in $\EUF$ is satisfiable.
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\begin{align*}
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\varphi =& (\clause{(a=x); (a=y); (x=y)})\land (\clause{\lnot (a=x); (a=y)})~\land \\
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& (\clause{\lnot (a=y); (x=y)})\land (\clause{(x=y); (z=a)})~\land \\
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& (\clause{\lnot (x=y); (b=z)})\land (\clause{\lnot (z=a); \lnot (b=z)})
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\end{align*}
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