You're using an ancient browser to surf the modern web. Please update to the latest version (and don't use Internet Explorer!).

Leonardi.DB

a logical geometry project

Adolph Russell's Verlag

Adolph Russell's Verlag published the following 1 source, containing a total of 1 diagram.: Hagemann, Georg. 1870. Elemente der Philosophie. I. Logik und Noëtik. 2nd ed. Münster: Adolph Russell’s Verlag. (1 diagram)