Undecidability and initial segments of the (r.e.) tt-degrees (Q5202181)
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scientific article; zbMATH DE number 4193661
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Undecidability and initial segments of the (r.e.) tt-degrees |
scientific article; zbMATH DE number 4193661 |
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Undecidability and initial segments of the (r.e.) tt-degrees (English)
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1990
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upper semilattice of r.e. tt-degrees
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finite partition lattice
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undecidability
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full approximation type construction
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trees
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