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A journey guided by the stars

By Andreas Lietz

Appears in collection : XVII International Luminy Workshop in Set Theory / XVII Atelier International de Théorie des Ensembles

We show that starting from an inaccessible limit of supercompact cardinals, there is a staionary set preserving forcing so that the Nonstationary Ideal is dense in the generic extension. This answers positively a question of Woodin.

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