Ph.D. in mathematics
Johannes Hafner obtained a doctoral degree in mathematics at University of California, Berkeley in 2006.
The title of the thesis was:
A Critical Assessment of Putnams Model-Theoretic Argument.
The thesis supervisors were Charles Seiyo Chihara and Paolo Mancosu.
Recent updates: Paul Zeitz, Zvezdelina Stankova, Federico Ardila Mantilla, Ronald van Luijk, Dan Stefanica.