Title of article :
Supremum vs. maximum: λ-sets
Author/Authors :
A.I. and Hernلndez-Hernلndez، نويسنده , , Fernando، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 2007
Abstract :
We show that, relative to the existence of an inaccessible cardinal, it is consistent that there is no λ-set of maximal size and that in the absence of inaccessible cardinals there is a λ-set of maximal size.
Keywords :
?-sets , Special subsets of reals , Strongly inaccessible cardinal , Hechler forcing , Isomorphism of names
Journal title :
Topology and its Applications
Journal title :
Topology and its Applications