Solovay-type characterizations for forcing-algebras
classification
🧮 math.LO
keywords
characterizationseverymeasurablederivedforcingforcing-algebrasgivemeasurability
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We give characterizations for the (in ZFC unprovable) sentences ``Every $\Sb{1}{2}$--set is measurable" and ``Every $\Db{1}{2}$--set is measurable" for various notions of measurability derived from well--known forcing partial orderings.
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