Repairing the interpolation theorem in q
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Carlos Areces; Patrick Blackburn; Maarten Marx
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Article
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2003
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Elsevier Science
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English
⚖ 244 KB
Quantiÿed hybrid logic is quantiÿed modal logic extended with apparatus for naming states and asserting that a formula is true at a named state. While interpolation and Beth's deÿnability theorem fail in a number of well-known quantiÿed modal logics (for example in quantiÿed modal K, T, D, S4, S4.3