Ehrenfels on the Concept of Number
Ehrenfels’ dissertation “Über Größenrelationen und Zahlen” is nearly always mentioned in his biographies, but never actually discussed anywhere. The main …
Tag Archives: Husserl
Coffee Grinder Arithmetic
The picture at the top of this blog is a photograph of a mechanical calculator: a Walther, probably a model …
Husserl and Ehrenfels
It is not surprising that we can find many similarities among the students of Franz Brentano, not only in the …
Mathematics as a central issue in Brentanist descriptive psychology
On Tuesday 21 August I will speak at a meeting of young scholars in the History and Philosophy of Logic …
Husserl’s Psychology of Arithmetic
My article “Husserl’s Psychology of Arithmetic” has been published in the Bulletin d’Analyse Phénoménologique. It is based on a talk …
Carlo Ierna's Blog 