The PFA-to-superstrong-cardinal conjecture in the uB derived model
The PFA-to-superstrong-cardinal conjecture in the uB derived model
Assume that the Proper Forcing Axiom holds. Let , and let be -generic over . Then
PFA-to-superstrong-cardinal conjecture. Under these hypotheses, there is a superstrong cardinal in .
This is a typical target of the core model induction, connecting forcing axioms with large-cardinal strength in canonical determinacy models. The source states that the conjecture is currently open even when a Woodin limit of Woodin cardinals is assumed instead of a superstrong cardinal.
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Sources & referencesView supporting material
Primary source
Sandra Müller and Grigor Sargsyan, “Gödel's Program in Set Theory”, arXiv:2412.07325 (2024).
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