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Title resolution pending

· 1981 · DOI 10.1007/bf01669837

1 Pith paper cite this work. Polarity classification is still indexing.

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math.LO 1

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2026 1

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UNVERDICTED 1

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Interpolation above S4

math.LO · 2026-04-23 · unverdicted · novelty 6.0

Completes Maksimova's classification of normal extensions of S4 by proving Craig interpolation for the six remaining open cases via Fine's frame formulas.

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  • Interpolation above S4 math.LO · 2026-04-23 · unverdicted · none · ref 10

    Completes Maksimova's classification of normal extensions of S4 by proving Craig interpolation for the six remaining open cases via Fine's frame formulas.