The breadth of constructibility degrees and definable Sierpiński's coverings
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866918219864866816 |
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| author | Andretta, Alessandro Notaro, Lorenzo |
| author_facet | Andretta, Alessandro Notaro, Lorenzo |
| contents | Generalizing a result of Törnquist and Weiss, we study the connection between the existence of $\varSigma_2^1$ Sierpiński's coverings of $\mathbb{R}^n$, and a cardinal invariant of the upper semi-lattice of constructibility degrees known as breadth. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_10182 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The breadth of constructibility degrees and definable Sierpiński's coverings Andretta, Alessandro Notaro, Lorenzo Logic Primary 03E15, Secondary 03E45 Generalizing a result of Törnquist and Weiss, we study the connection between the existence of $\varSigma_2^1$ Sierpiński's coverings of $\mathbb{R}^n$, and a cardinal invariant of the upper semi-lattice of constructibility degrees known as breadth. |
| title | The breadth of constructibility degrees and definable Sierpiński's coverings |
| topic | Logic Primary 03E15, Secondary 03E45 |
| url | https://arxiv.org/abs/2408.10182 |