The class of purely unrectifiable sets in \(\ell_2\) is \(\Pi_1^1\)-complete (Q2356301)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The class of purely unrectifiable sets in \(\ell_2\) is \(\Pi_1^1\)-complete |
scientific article |
Statements
The class of purely unrectifiable sets in \(\ell_2\) is \(\Pi_1^1\)-complete (English)
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29 July 2015
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purely unrectifiable
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co-analytic complete
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Hilbert space
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