2 papers
math.LO1997
A note on some versions of club
Mirna Džamonja, Saharon Shelah
This note gives two results on guessing unbounded subsets of lambda^+. The first is a positive result and applies to the situation of lambda regular, while the second is a negative…
math.LO1995
A consistency result on weak reflection
James Cummings, Mirna Džamonja, Saharon Shelah
In this paper we study the notion of strong non-reflection, and its contrapositive weak reflection. We say theta strongly non-reflects at lambda iff there is a function F: theta --…