Reopening of the conjecture about the decidability of Quasi-Dense Modal Logics (Comments on Lyon & Ostropolski-Nalewaja's result)
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908481828683776 |
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| author | Gasquet, Olivier |
| author_facet | Gasquet, Olivier |
| contents | In \cite{Lyon24} the question of the decidability of quasi-dense modal logics is answered, and an upper bound in $\EXPSPACE$ is given. Unfortunately, authors' intricate proof seems to contain a major flaw that cannot be fixed, leaving the question wide open. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2507_11644 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Reopening of the conjecture about the decidability of Quasi-Dense Modal Logics (Comments on Lyon & Ostropolski-Nalewaja's result) Gasquet, Olivier Logic in Computer Science 03B45 F.4.1 In \cite{Lyon24} the question of the decidability of quasi-dense modal logics is answered, and an upper bound in $\EXPSPACE$ is given. Unfortunately, authors' intricate proof seems to contain a major flaw that cannot be fixed, leaving the question wide open. |
| title | Reopening of the conjecture about the decidability of Quasi-Dense Modal Logics (Comments on Lyon & Ostropolski-Nalewaja's result) |
| topic | Logic in Computer Science 03B45 F.4.1 |
| url | https://arxiv.org/abs/2507.11644 |