### Boole’s Rings

- Partitioning a reflecting stationary set February 15, 2019 Assaf Rinot
- 4th Arctic Set Theory Workshop, January 2019 February 15, 2019 Assaf Rinot
- The Core Model Induction and Other Inner Model Theoretic Tools Rutgers - Tutorial: HOD Computations February 8, 2019 Sandra Müller
- Potentialism and implicit actualism in the foundations of mathematics, Jowett Society lecture, Oxford, February 2019 January 26, 2019 Joel David Hamkins
- Towards a general method for accessible content trees or: deep aria-labels for equations revisited January 13, 2019 Peter Krautzberger

### Comments on Boole’s Rings

- Comment on Math for nine-year-olds: fold, punch and cut for symmetry! by Joel David Hamkins February 8, 2019 Comments for Joel David Hamkins
- Comment on Inner-model reflection principles by Inner-model reflection principles | A kind of library February 2, 2019 Comments for Joel David Hamkins
- Comment on Math for nine-year-olds: fold, punch and cut for symmetry! by Joseph O'Rourke January 30, 2019 Comments for Joel David Hamkins
- Comment on Math for nine-year-olds: fold, punch and cut for symmetry! by 10 fun geometry ideas to share with kids – inspired by a Jordan Ellenberg tweet – Mike's Math Page January 25, 2019 Comments for Joel David Hamkins
- Comment on A remark on Schimmerling’s question by Ari Brodsky January 24, 2019 Comments for Assaf Rinot

# Category Archives: Papers

## Reverse Mathematics of Matroids

This post is about the paper Reverse Mathematics of Matroids by Jeff Hirst and me. We look at basis theorems for countable vector spaces, countable graphs, and countable enumerated matroids. These three kinds of structures turn out to be extremely … Continue reading

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## 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

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