3 papers
math.LO1999
Ideals determined by some Souslin forcing notions
Haim Judah, Andrzej Roslanowski
We describe a method of building ``nice'' sigma-ideals from Souslin ccc forcing notions. [These notes were written down in 1992, but were not submitted to any journal. In a slightl…
math.LO1999
The Cichon diagram
Tomek Bartoszynski, Haim Judah, Saharon Shelah
We conclude the discussion of additivity, Baire number, uniformity and covering for measure and category by constructing the remaining 5 models. Thus we complete the analysis of Ci…
math.LO1999
Borel images of sets of reals
Tomek Bartoszynski, Haim Judah
The main goal of this paper is to generalize several results concerning cardinal invariants to the statements about the associated families of sets. We also discuss the relationshi…