### Boole’s Rings

- On conjugacy problems for graphs and trees October 11, 2019 Samuel Coskey
- (with Y. Hayut) Perfect Subtree Property for Weakly Compact Cardinals October 10, 2019 Sandra Müller
- Structural properties of the stable core October 10, 2019 Victoria Gitman
- Ground model definability in ${\rm ZF}$ October 10, 2019 Victoria Gitman
- (with S.-D. Friedman and V. Gitman) Structural Properties of the Stable Core October 4, 2019 Sandra Müller

### Comments on Boole’s Rings

- Comment on Solution to my transfinite epistemic logic puzzle, Cheryl’s Rational Gifts by Cheryl’s Rational Gifts: transfinite epistemic logic puzzle challenge! | Joel David Hamkins October 14, 2019 Comments for Joel David Hamkins
- Comment on The propagation of error in classical geometry constructions by Paul Alberti-Strait October 9, 2019 Comments for Joel David Hamkins
- Comment on The modal logic of arithmetic potentialism and the universal algorithm by The $Sigma_1$-definable universal finite sequence | Joel David Hamkins September 30, 2019 Comments for Joel David Hamkins
- Comment on I know that you know that I know that you know…. Oxford, October 2019 by Joel David Hamkins September 25, 2019 Comments for Joel David Hamkins
- Comment on I know that you know that I know that you know…. Oxford, October 2019 by charlie sitler September 25, 2019 Comments for Joel David Hamkins

# Category Archives: Uncategorized

## Talk on Reverse Mathematics and Ramsey Theory

This is a copy of my notes from a two-hour talk I gave at our local combinatorics seminar about Reverse Mathematics and Ramsey Theory. The audience consisted of our combinatorialists, who are not logicians, and so the talk is intended … Continue reading

Posted in Talks, Uncategorized
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