Uncountable set of reals with a single condensation point
Eilon Bilinsky (TAU)
20/11/2017 - 15:00 - 13:00
building 505, Room 65
We construct a model of ZF with an uncountable set of reals having a unique condensation point. This answers a question of Sierpinski from 1918.
תאריך עדכון אחרון : 20/11/2017