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On a Question of Hamkins and L\"owe on t...
Golshani, Mohammad...
On a Question of Hamkins and L\"owe on the modal logic of collapse forcing by Golshani, Mohammad ( Author )
Australian National University
09-08-2023
Hamkins and L\"{o}we asked whether there can be a model $N$ of set theory with the property that $N\equiv N[g]$ whenever $g$ is a generic collapse of a cardinal of $N$ onto $\omega$. We give equiconsistency results for two weaker versions of this property. We also include a proof of Woodin's result that the consistency of the full Hamkins-L\"{o}we property follows from that of a Woodin cardinal with an inaccessible above.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1609.02633
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