Abstract
By an ω1-tree we mean a tree of power ω1 and height ω1. We call an ω1-tree a Jech-Kunen tree if it has k-many branches for some k strictly between ω1 and 2ω1. In this paper we construct the models of CH plus 2ω1 > ω2, in which there are Jech-Kunen trees and there are no Kurepa trees.
| Original language | English |
|---|---|
| Pages (from-to) | 1-16 |
| Number of pages | 16 |
| Journal | Israel Journal of Mathematics |
| Volume | 84 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Feb 1993 |