70
Voted
JSYML
2002
15 years 2 months ago
2002
We investigate the effect of a variant of Matet forcing on ultrafilters in the ground model and give a characterization of those P
106
Voted
JSYML
2008
15 years 2 months ago
2008
Global co-stationarity of the ground model from an 2-c.c. forcing which adds a new subset of 1 is internally consistent relative to an 1-Erdos hyperstrong cardinal and a sufficient...