Exercise · ZW-LOGICAL-COMPLETENESS-007 · ★★☆ Intermediate

If a valid formula is provable in the calculus, we speak of...

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  • A. Completeness

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Review the concept: Logical completeness

A calculus \(\mathcal{S}\) is complete if every formula \(\varphi\) that is valid under its semantics is provable in \(\mathcal{S}\).

\[\mathcal{S}\models\varphi\Rightarrow\mathcal{S}\vdash\varphi\]

More practice problems: logical completeness

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