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6 lines
323 B
6 lines
323 B
\item \self For the formula below, find one
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model that satisfies the formula, and one model that does not
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satisfy the formula.
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Explain your answer by drawing a \textbf{syntax tree} and evaluate the model $\mathcal{M}$ with the help of this syntax tree.
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$$\neg\forall x ((P(x) \implies P(y)) \land P(x))$$
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