On long increasing chains modulo flat id
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Saharon Shelah
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Article
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2010
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John Wiley and Sons
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English
β 89 KB
## Abstract We prove that, e.g., in ^(__Ο__ 3)^(__Ο__ 3) there is no sequence of length W4 increasing modulo the ideal of countable sets (Β© 2010 WILEYβVCH Verlag GmbH & Co. KGaA, Weinheim)