- The Concept of Number and Its Logic. The Development of Foundations of Arithmetic by Frege, Gödel and Lorenzen2008 | Faculty of Arts
- Lorenzen, Paul: Rules of the Rational Argumentation2002 | Faculty of Arts
- Inferentialism and Its Mathematical Precursor2018 | Faculty of Arts
- On Frege's alleged constructivism2006 | Faculty of Arts
- Can logicism be saved?2005 | Faculty of Arts
- Logica ludus2006 | Faculty of Arts
- Synthetic Apriority2012 | Faculty of Arts