Cardinal preserving ideals

Preprint

15 May 1996

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.math/9605234

Abstract

We give some general criteria, when kappa-complete forcing preserves largeness properties -- like kappa-presaturation of normal ideals on lambda (even when they concentrate on small cofinalities). Then we quite accurately obtain the consistency strength ``NS_lambda is aleph_1-preserving'', for lambda > aleph_2 .

Keywords

CARDINAL PRESERVING
ALEPH_1 PRESERVING
SMALL COFINALITIES
PRESERVING IDEALS
GENERAL CRITERIA
CONSISTENCY
LIKE KAPPA
PROPERTIES
LAMBDA

All Related Versions

Version 1, 1996-05-15, ArXiv

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