![156344](https://sdvigpress.org/images/creator/_default.jpg)
References
Georg Kreisel
Second thoughts around some of Gödel's writings![Open Access Link](images/OAlink.png)
1998
Synthese 114/1
![Open Access Link](images/OAlink.png)
Wolfgang Stegmüller und Matthias Varga von Kibed: Strukturtypen der Logik![Open Access Link](images/OAlink.png)
1985
Grazer Philosophische Studien 24
![Open Access Link](images/OAlink.png)
The motto of "philosophical investigations" and the philosophy of proofs and rules![Open Access Link](images/OAlink.png)
1978
Grazer Philosophische Studien 6
![Open Access Link](images/OAlink.png)