Abstract
We consider a version of κ-Miller forcing on an uncountable cardinal κ. We show that under 2 <κ= κ this forcing collapses 2 κ to ω and adds a κ-Cohen real. The same holds under the weaker assumptions that cf(κ)>ω, 22<κ=2κ, and forcing with ([κ] κ, ⊆) collapses 2 κ to ω.
Original language | English |
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Pages (from-to) | 879-892 |
Number of pages | 14 |
Journal | Archive for Mathematical Logic |
Volume | 59 |
Issue number | 7-8 |
DOIs | |
State | Published - 1 Nov 2020 |
Bibliographical note
Publisher Copyright:© 2020, The Author(s).
Keywords
- Forcing with higher perfect trees