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September 2005 Preserving preservation
Jakob Kellner, Saharon Shelah
J. Symbolic Logic 70(3): 914-945 (September 2005). DOI: 10.2178/jsl/1122038920

Abstract

We prove that the property “P doesn't make the old reals Lebesgue null” is preserved under countable support iterations of proper forcings, under the additional assumption that the forcings are nep (a generalization of Suslin proper) in an absolute way. We also give some results for general Suslin ccc ideals.

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Jakob Kellner. Saharon Shelah. "Preserving preservation." J. Symbolic Logic 70 (3) 914 - 945, September 2005. https://doi.org/10.2178/jsl/1122038920

Information

Published: September 2005
First available in Project Euclid: 22 July 2005

zbMATH: 1115.03070
MathSciNet: MR2155272
Digital Object Identifier: 10.2178/jsl/1122038920

Subjects:
Primary: 03E17 , 03E40

Rights: Copyright © 2005 Association for Symbolic Logic

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Vol.70 • No. 3 • September 2005
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