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11 lines
222 B
11 lines
222 B
\item \self Given is the following formula in predicate logic
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$$\phi = \forall x \exists y \Bigl(
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\bigl(
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Q(x,y) \wedge P(x,y)
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\bigr)
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\implies
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\bigl(
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R(y, x) \wedge P(x,y)
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\bigr)
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\Bigr). $$
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Draw the syntax tree for $\phi$.
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