Club guessing principles were introduced by Shelah as a weakening of Jensen's diamond.
Most spectacularly, they were used to prove Shelah's. These principles have found many …

We build on a 1990 paper of Bukovsky and Coplakova-Hartova. First, we remove the
hypothesis of $\textsf {CH} $ from one of their minimality results. Then, using a measurable …

We answer several questions of Hrušák, Simon and Zindulka regarding weak partition
relations on trees. In particular, we show that the Namba forcing on add (N) and cof (N) does …