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6 lines
333 B
6 lines
333 B
\item \ifassignmentsheet \points{3} \fi For the formula below, state 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 syntax tree and evaluate your models with the help of this syntax tree.
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$$\forall x \exists y (P(f(x),y) \land \neg P(x,f(y)))$$
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