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Solovay-type characterizations for forcing-algebras

Jörg Brendle, Benedikt Loewe

math.LOarXiv:math/9703203

Abstract

We give characterizations for the (in ZFC unprovable) sentences ``Every 12--set is measurable" and ``Every 12--set is measurable" for various notions of measurability derived from well--known forcing partial orderings.

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