Authors: | Farah, Ilijas Zapletal, Jindřich |
Affiliations: | Mathematical Institute of the Serbian Academy of Sciences and Arts | Title: | Between Maharam's and von Neumann's problems | Journal: | Mathematical Research Letters | Volume: | 11 | Issue: | 5-6 | First page: | 673 | Last page: | 684 | Issue Date: | 1-Jan-2004 | Rank: | M21 | ISSN: | 1073-2780 | DOI: | 10.4310/MRL.2004.v11.n5.a10 | Abstract: | In the context of definable algebras Maharam's and von Neumann's problems essentially coincide. Consequently, random forcing is the only definable ccc forcing adding a single real that does not make the ground model reals null, and the only pairs of definable ccc σ-ideals with the Fubini property are (meager,meager) and (null,null). |
Publisher: | International Press |
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