The upper semilattice of degrees ≤ <b>0</b>′ is complemented (Q3665088)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The upper semilattice of degrees ≤ <b>0</b>′ is complemented |
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Statements
The upper semilattice of degrees ≤ <b>0</b>′ is complemented (English)
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1981
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degrees of unsolvability
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complement
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jump operation
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join
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