### Boole’s Rings

- The reflection principle $R_2$ May 20, 2016 Assaf Rinot
- The pirate treasure division problem May 20, 2016 Joel David Hamkins
- Generic Vopěnka’s Principle at YST2016 May 17, 2016 Victoria Gitman
- How does a slinky fall? May 10, 2016 Joel David Hamkins
- Jacob Davis, PhD 2016, Carnegie Mellon University May 2, 2016 Joel David Hamkins

### Comments on Boole’s Rings

- Comment on A relative of the approachability ideal, diamond and non-saturation by saf May 20, 2016 Comments for Assaf Rinot
- Comment on A relative of the approachability ideal, diamond and non-saturation by The reflection principle $R_2$ | Assaf Rinot May 20, 2016 Comments for Assaf Rinot
- Comment on Square principles by The reflection principle $R_2$ | Assaf Rinot May 20, 2016 Comments for Assaf Rinot
- Comment on Chain conditions of products, and weakly compact cardinals by The reflection principle $R_2$ | Assaf Rinot May 20, 2016 Comments for Assaf Rinot
- Comment on A Microscopic approach to Souslin-tree constructions. Part I by Square principles | Assaf Rinot May 19, 2016 Comments for Assaf Rinot

# Monthly Archives: January 2012

## An incompleteness theorem for β_{n} models

My first paper was “An incompleteness theorem for $\beta_n$ models” with Stephen Simpson [1]. It’s a short paper, but the idea is very pretty. We know that the incompleteness theorem implies there are strange models of arithmetic, but these models … Continue reading

Posted in Papers, Research
2 Comments

## AMS/ASL Special Session on Alan Turing

I arrived home yesterday from the 2012 Joint Mathematics Meetings in Boston, where I was a co-organizer of the AMS/ASL Special Session on the Life and Legacy of Alan Turing. The talks were wonderful, and the session went very smoothly, … Continue reading

Posted in Meetings
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