Wednesday, October 15, 2008

Institut für Mathematische Logik und Grundlagenforschung

Ansten Klev informs me that the institute for foundational research in
Münster has some logic texts on their website: here.
In english :

W. Pohlers : Computability theory of hyperarithmetical sets
W. Pohlers : Infinitary proof theory
W. Pohlers & T. Grass : A introduction to mathematical logic