Model-theoretic properties of the \(n\)-c.e. degrees (Q2907047)
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scientific article; zbMATH DE number 6078040
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Model-theoretic properties of the \(n\)-c.e. degrees |
scientific article; zbMATH DE number 6078040 |
Statements
5 September 2012
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survey paper
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\(n\)-c.e. sets
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\(n\)-c.e. degrees
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difference hierarchy
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Ershov hierarchy
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Turing reducibility
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\(\Sigma ^{0}_{1}\)-substructures
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definability
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embeddability
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elementary equivalence
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countable categoricity
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0.90891844
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0.88464093
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0.8778107
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0.8731036
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0.87240434
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0.8685373
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0.8683391
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0.86774606
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Model-theoretic properties of the \(n\)-c.e. degrees (English)
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This survey article discusses \(n\)-c.e. degrees from a model-theoretic perspective, presenting results and open questions related to such issues as definability, embeddability, elementary equivalence, and countable categoricity.
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