Wilson's conjecture on the Solovay ordinal of a derived model
Wilson's conjecture on the Solovay ordinal of a derived model
Let satisfy PFA, let be a limit of Woodin cardinals, and let denote the derived model at . Let be its Solovay ordinal. Wilson's conjecture. If satisfies PFA and is a limit of Woodin cardinals, then
The conjecture asks for a bound on the full Solovay ordinal of the derived model, extending the paper's proved bounds at earlier levels of the Solovay hierarchy. The supplied source presents it as unresolved.
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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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