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On the extender algebra being complete
Author(s) -
Ketchersid Richard,
Zoble Stuart
Publication year - 2006
Publication title -
mathematical logic quarterly
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.473
H-Index - 28
eISSN - 1521-3870
pISSN - 0942-5616
DOI - 10.1002/malq.200610011
Subject(s) - extender , simple (philosophy) , mathematics , algebra over a field , pure mathematics , chemistry , philosophy , organic chemistry , epistemology , polyurethane
We show that a Woodin cardinal is necessary for the extender algebra to be complete. Our proof is relatively simple and does not use fine structure. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)