(This is the third lecture in Stevo Todorcevic’s Forcing class, held in the fall of 2012. You can find the second lecture here. Quotes by Stevo are in dark blue; some are deep, some are funny, some are paraphrased so use your judgement.)
- We look at 4 examples of posets that collapse to .
- A problem of Foreman is mentioned that asks about collapsing versus adding.
- Talking about anti-Suslin trees.