### Boole’s Rings

- Consistency strength lower bounds for the proper forcing axiom via the core model induction March 5, 2020 Sandra Müller
- Logic Colloquium Poznan - TBA March 5, 2020 Sandra Müller
- North American Annual Meeting of the ASL - How to obtain lower bounds in set theory March 4, 2020 Sandra Müller
- International Day of Mathematics, Vienna - Das Unbegreifliche verstehen - die Faszination Unendlichkeit March 3, 2020 Sandra Müller
- The real numbers are not interpretable in the complex field February 24, 2020 Joel David Hamkins

### Comments on Boole’s Rings

- Comment on Math for eight-year-olds: graph theory for kids! by graph theory for children - Oxford Blog March 28, 2020 Comments for Joel David Hamkins
- Comment on Math for seven-year-olds: graph coloring, chromatic numbers, and Eulerian paths and circuits by graph theory for children - Oxford Blog March 28, 2020 Comments for Joel David Hamkins
- Comment on Math for kids: fun with orthoprojections! by Marco March 27, 2020 Comments for Joel David Hamkins
- Comment on Set-theoretic geology by A tutorial in set-theoretic geology, London 2011 | Joel David Hamkins March 21, 2020 Comments for Joel David Hamkins
- Comment on The real numbers are not interpretable in the complex field by Joel David Hamkins March 4, 2020 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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