The Borel hierarchy is infinite in the class of regular sets of trees (Q1210306)
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scientific article; zbMATH DE number 178047
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The Borel hierarchy is infinite in the class of regular sets of trees |
scientific article; zbMATH DE number 178047 |
Statements
The Borel hierarchy is infinite in the class of regular sets of trees (English)
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24 May 1993
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Borel hierarchy
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weakly acceptable sets
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infinite trees
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