Sh:E104

• Shelah, S. Non P-point preserved by many. Preprint.
• Abstract:
  While paper 980 prepare the ground for much more we shall show here the following

  Assuming CH , there is a non-P-point ultra-filter on the natural numbers which is preserved by Sacks forcing and many more.

  This answer a question communicated to me by Mark Poor

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@article{Sh:E104,
 author = {Shelah, Saharon},
 title = {{Non P-point preserved by many}}
}