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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Can a large cardinal be forced from a condition implying its negation?
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by Arthur W. Apter and Grigor Sargsyan PDF
Proc. Amer. Math. Soc. 133 (2005), 3103-3108 Request permission

Abstract:

In this note, we provide an affirmative answer to the title question by giving two examples of cardinals satisfying conditions implying they are non-Rowbottom which can be turned into Rowbottom cardinals via forcing. In our second example, our cardinal is also non-Jonsson.
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Additional Information
  • Arthur W. Apter
  • Affiliation: Department of Mathematics, Baruch College of CUNY, New York, New York 10010
  • MR Author ID: 26680
  • Email: awabb@cunyvm.cuny.edu
  • Grigor Sargsyan
  • Affiliation: Group in Logic and the Methodology of Science, University of California, Berkeley, California 94720
  • MR Author ID: 677243
  • Email: grigor@math.berkeley.edu
  • Received by editor(s): August 30, 2003
  • Received by editor(s) in revised form: February 14, 2004, and June 15, 2004
  • Published electronically: May 4, 2005
  • Additional Notes: Both authors wish to thank the CUNY Research Foundation for having provided partial support for this research via the first author’s PSC-CUNY Grant 64455-00-33, under which the second author was a research assistant. In addition, we wish to thank the referee and Carl Jockusch, the communicating editor, for helpful comments, corrections, and suggestions which have been incorporated into this version of the paper and which have considerably improved the presentation of the material contained herein.
  • Communicated by: Carl G. Jockusch, Jr.
  • © Copyright 2005 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 133 (2005), 3103-3108
  • MSC (2000): Primary 03E02, 03E35, 03E55
  • DOI: https://doi.org/10.1090/S0002-9939-05-07840-8
  • MathSciNet review: 2159791