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A Reduction in Consistency Strength for Universal Indestructibility

Volume 55 / 2007

Arthur W. Apter, Grigor Sargsyan Bulletin Polish Acad. Sci. Math. 55 (2007), 1-6 MSC: 03E35, 03E55. DOI: 10.4064/ba55-1-1

Abstract

We show how to reduce the assumptions in consistency strength used to prove several theorems on universal indestructibility.

Authors

Arthur W. ApterDepartment of Mathematics
Baruch College of CUNY
New York, NY 10010, U.S.A.
and
The CUNY Graduate Center, Mathematics
365 Fifth Avenue
New York, NY 10016, U.S.A.
e-mail
Grigor SargsyanGroup in Logic and the Methodology of Science
University of California
Berkeley, CA 94720, U.S.A.
e-mail

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