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17 lines
361 B
17 lines
361 B
\begin{tikzpicture}[every tree node/.style={draw,circle},sibling distance=.25cm]
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\Tree
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[.$\lor$
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[.$P$ $x$ $y$ ]
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[.$\exists y$
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[.$\forall x$
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[.$\land$
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[.$Q$ $x$ $y$ ]
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[.$R$ $y$ $z$ ]
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]
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]
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]
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]
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\end{tikzpicture}
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\newline \\
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Free variables: $x, y, z$ \\
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Bound variables: $x, y$
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