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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access June 28, 2013

Singular cardinals and strong extenders

  • Arthur Apter EMAIL logo , James Cummings and Joel Hamkins
From the journal Open Mathematics

Abstract

We investigate the circumstances under which there exist a singular cardinal µ and a short (κ,µ)-extender E witnessing “κ is µ-strong”, such that µ is singular in Ult(V, E).

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Published Online: 2013-6-28
Published in Print: 2013-9-1

© 2013 Versita Warsaw

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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