The combinatorics of reasonable ultrafilters
Tom 192 / 2006
Fundamenta Mathematicae 192 (2006), 1-23
MSC: Primary 03E05; Secondary 03E20.
DOI: 10.4064/fm192-1-1
Streszczenie
We are interested in generalizing part of the theory of ultrafilters on $\omega $ to larger cardinals. Here we set the scene for further investigations introducing properties of ultrafilters in strong sense dual to being normal.