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18

JSYML
2010

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On changing cofinality of partially ordered sets

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On changing cofinality of partially ordered sets

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It is shown that under GCH every poset preserves its cofinality in any cofinality preserving extension. On the other hand, starting with measurable cardinals, a model with a partial ordered set which can change its cofinality in a cofinality preserving extension is constructed.

Moti Gitik

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Cofinality | JSYML 2010 | Measurable Cardinals | Poset |

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Added	20 May 2011
Updated	20 May 2011
Type	Journal
Year	2010
Where	JSYML
Authors	Moti Gitik

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