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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


Proper products

Author: Otmar Spinas
Journal: Proc. Amer. Math. Soc. 137 (2009), 2767-2772
MSC (2000): Primary 03E05
Published electronically: March 5, 2009
MathSciNet review: 2497491
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Abstract: We show that the natural amoeba forcing associated with Laver forcing $ \mathbb{L}$, Miller forcing $ \mathbb{M}$ respectively, is proper. As a corollary we obtain that every finite power of $ \mathbb{L}$, respectively $ \mathbb{M}$, is proper.

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Otmar Spinas
Affiliation: Mathematisches Seminar der Christian-Albrechts-Universität zu Kiel, Ludewig- Meyn-Straße 4, 24098 Kiel, Germany

PII: S 0002-9939(09)09846-3
Received by editor(s): December 10, 2007
Received by editor(s) in revised form: March 28, 2008, and December 5, 2008
Published electronically: March 5, 2009
Additional Notes: The author is partially supported by DFG grant SP 683/1-2
Communicated by: Julia Knight
Article copyright: © Copyright 2009 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.