Abstract
We construct a model without precipitous ideals but so that for each \(\tau< \aleph_3\) there is a normal ideal over \(\aleph_1\) with generic ultrapower wellfounded up to the image of τ.
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Gitik, M., Magidor, M. (2008). On Partially Wellfounded Generic Ultrapowers. In: Avron, A., Dershowitz, N., Rabinovich, A. (eds) Pillars of Computer Science. Lecture Notes in Computer Science, vol 4800. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-78127-1_18
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DOI: https://doi.org/10.1007/978-3-540-78127-1_18
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