Fat $P$-sets in the Space $\omega^*$
Tom 53 / 2005
Bulletin Polish Acad. Sci. Math. 53 (2005), 121-129
MSC: Primary 03E35; Secondary 03E40, 03E65.
DOI: 10.4064/ba53-2-1
Streszczenie
We prove that—consistently—in the space $\omega^*$ there are no $P$-sets with the $\mathbb C$-cc and any two fat $P$-sets with the ${\mathbb C}^+$-cc are coabsolute.
