Generalized closed world assumption is \(\Pi ^ 0_ 2\)-complete (Q910251)
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scientific article; zbMATH DE number 4139318
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Generalized closed world assumption is \(\Pi ^ 0_ 2\)-complete |
scientific article; zbMATH DE number 4139318 |
Statements
Generalized closed world assumption is \(\Pi ^ 0_ 2\)-complete (English)
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1990
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logic programming
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non-Horn logic programs
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negation
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undecidability
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arithmetical hierarchy
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