The non-definability notion and first order logic (Q1124586)
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scientific article; zbMATH DE number 4112567
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The non-definability notion and first order logic |
scientific article; zbMATH DE number 4112567 |
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The non-definability notion and first order logic (English)
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1988
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It is proved that first order logic and the three-valued logic with the notion of non-definability defined by Hoogewijs are mutually interpretable. This immediately gives some important model-theoretical results such as compactness theorem, interpolation theorem, Beth theorem and so on.
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first order logic
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three-valued logic
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non-definability
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