Extending Cooper’s theorem to Δ 3 0 Turing degrees (Q4683156)
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scientific article; zbMATH DE number 6939450
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Extending Cooper’s theorem to Δ 3 0 Turing degrees |
scientific article; zbMATH DE number 6939450 |
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Extending Cooper’s theorem to Δ 3 0 Turing degrees (English)
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20 September 2018
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Ershov's hierarchy
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fine hierarchy
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arithmetical hierarchy
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Turing degrees
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\(\Sigma_2^0\)-sets
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