Wilson's conjecture on the first Solovay ordinal of a derived model
Wilson's conjecture on the first Solovay ordinal of a derived model
Let satisfy PFA, let be a limit of Woodin cardinals, and let denote the derived model at . Write for the first level of its Solovay hierarchy. Wilson's conjecture. Assume PFA and that is a limit of Woodin cardinals. Then
and
Wilson's original conjecture removes the countable-cofinality assumption from his earlier theorem bounding the first Solovay ordinal. The paper presents this as an open generalization; the supplied source gives no resolution.
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Sources & referencesView supporting material
Primary source
Derek Levinson and Nam Trang, “Derived Models in PFA”, arXiv:2501.05954 (2025).
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