An almost deep degree (Q2747726)
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scientific article; zbMATH DE number 1658182
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | An almost deep degree |
scientific article; zbMATH DE number 1658182 |
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An almost deep degree (English)
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5 September 2002
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almost deep degree
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r.e. degree
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low degree
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An almost deep r.e. degree is one whose join with any low r.e. degree is also low. The almost deep degrees are easily seen to constitute a definable (using the jump) ideal in the r.e. degrees. The authors use a priority construction to show that this ideal is nontrivial.
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