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HIERARCHIES OF (VIRTUAL) RESURRECTION AXIOMS

Published online by Cambridge University Press:  01 May 2018

GUNTER FUCHS*
Affiliation:
THE COLLEGE OF STATEN ISLAND (CUNY) 2800 VICTORY BLVD STATEN ISLAND, NY 10314, USA and THE GRADUATE CENTER (CUNY) 365 5TH AVENUE NEW YORK, NY10016, USA E-mail:gunter.fuchs@csi.cuny.eduURL: www.math.csi.cuny.edu/∼fuchs

Abstract

I analyze the hierarchies of the bounded resurrection axioms and their “virtual” versions, the virtual bounded resurrection axioms, for several classes of forcings (the emphasis being on the subcomplete forcings). I analyze these axioms in terms of implications and consistency strengths. For the virtual hierarchies, I provide level-by-level equiconsistencies with an appropriate hierarchy of virtual partially super-extendible cardinals. I show that the boldface resurrection axioms for subcomplete or countably closed forcing imply the failure of Todorčević’s square at the appropriate level. I also establish connections between these hierarchies and the hierarchies of bounded and weak bounded forcing axioms.

Type
Articles
Copyright
Copyright © The Association for Symbolic Logic 2018 

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