Preserving Preservation

Journal of Symbolic Logic 70 (3):914 - 945 (2005)
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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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Citations of this work

New reals: Can live with them, can live without them.Martin Goldstern & Jakob Kellner - 2006 - Mathematical Logic Quarterly 52 (2):115-124.
Understanding preservation theorems, II.Chaz Schlindwein - 2010 - Mathematical Logic Quarterly 56 (5):549-560.

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