Hierarchies of hyperarithmetical sets and functions (Q799667)
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scientific article; zbMATH DE number 3873311
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Hierarchies of hyperarithmetical sets and functions |
scientific article; zbMATH DE number 3873311 |
Statements
Hierarchies of hyperarithmetical sets and functions (English)
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1983
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Translation from Algebra Logika 22, No.6, 666-692 (Russian) (1983; Zbl 0536.03025).
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hierarchy of sets
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m-reducibility
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