### Boole’s Rings

- A POW problem that can incentivize the energy efficient CNOT computer. November 18, 2017 Joseph Van Name
- A remark on Schimmerling’s question November 14, 2017 Assaf Rinot
- Classification of countable models of PA and ZFC November 14, 2017 Samuel Coskey
- A universal finite set, CUNY Logic Workshop, November 2017 November 11, 2017 Joel David Hamkins
- Security report for R5, the POW problem for Nebula. November 9, 2017 Joseph Van Name

### Comments on Boole’s Rings

- Comment on Trust me, I’m a doctor! by Stefan Mesken November 15, 2017 Comments for Asaf Karagila
- Comment on A universal finite set, CUNY Logic Workshop, November 2017 by Mohammad November 12, 2017 Comments for Joel David Hamkins
- Comment on Famous quotations in their original first-order language by Joel David Hamkins November 10, 2017 Comments for Joel David Hamkins
- Comment on Famous quotations in their original first-order language by Dee November 10, 2017 Comments for Joel David Hamkins
- Comment on The eightfold way by saf November 6, 2017 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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