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7 lines
361 B
7 lines
361 B
\begin{enumerate}
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\item \textbf{Decide entailment using satisfiability.}
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The question whether $\varphi \vDash \psi$ can be decided by checking $\varphi \wedge \neg \psi$ not satisfiable.
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\item \textbf{Decide entailment using validity.}
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The question whether $\varphi \vDash \psi$ can be decided by checking $\varphi \rightarrow \psi$ is valid.
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\end{enumerate}
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