Finite subsets of the first uncountable ordinal, part 1
15/11/2016 - 11:00 - 09:00
We present a construction scheme which is based on well-behaving delta-systems of finite subsets of w1, and use it to construct uncountable trees.
The results are taken from the following paper.
תאריך עדכון אחרון : 28/10/2019