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STATIONARY REFLECTION

Part of: Set theory

Published online by Cambridge University Press:  08 January 2021

YAIR HAYUT  and
SPENCER UNGER
YAIR HAYUT
Affiliation:
DEPARTMENT FOR HAYUT IS EINSTEIN INSTITUTE OF MATHEMATICS EDMOND J. SAFRA CAMPUS THE HEBREW UNIVERSITY OF JERUSALEM GIVAT RAM, JERUSALEM9190401, ISRAELE-mail: yair.hayut@mail.huji.ac.il
SPENCER UNGER
Affiliation:
DEPARTMENT OF MATHEMATICS UNIVERSITY OF TORONTOTORONTO, ONM5S 2E4, CANADAE-mail: sunger@math.toronto.edu
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Abstract

We improve the upper bound for the consistency strength of stationary reflection at successors of singular cardinals.

Keywords

stationary reflectionsingular cardinalssubcompactPrikry forcingsquare

MSC classification

Primary: 03E35: Consistency and independence results
Secondary: 03E55: Large cardinals
Type
Articles
Information
The Journal of Symbolic Logic , Volume 85 , Issue 3 , September 2020 , pp. 937 - 959
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Copyright
© 2021, Journal of Symbolic Logic

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