| Ackermann | MacTutor History of Mathematics Archive (St Andrews) |
| Aristoteles | MacTutor History of Mathematics Archive (St Andrews) |
| Aristoteles | The Internet Encyclopedia of Philosophy |
| Babbage | MacTutor History of Mathematics Archive (St Andrews) |
| Babbage | Babbage Difference Engine etc. |
| Bernays | MacTutor History of Mathematics Archive (St Andrews) |
| Bolzano | MacTutor History of Mathematics Archive (St Andrews) |
| Boole | MacTutor History of Mathematics Archive (St Andrews) |
| Brouwer | MacTutor History of Mathematics Archive (St Andrews) |
| Cantor | MacTutor History of Mathematics Archive (St Andrews) |
| Carnap | The Internet Encyclopedia of Philosophy |
| Church | MacTutor History of Mathematics Archive (St Andrews) |
| Couturat | MacTutor History of Mathematics Archive (St Andrews) |
| Curry | MacTutor History of Mathematics Archive (St Andrews) |
| De Morgan | MacTutor History of Mathematics Archive (St Andrews) |
| Fraenkel | MacTutor History of Mathematics Archive (St Andrews) |
| Frege | MacTutor History of Mathematics Archive (St Andrews) |
| Frege | Alles, was es über Frege im WWW gibt!!! (Brian W. Carver) |
| Frege | Gottlob Frege, Jena und die Geburt der modernen Logik (W. Stelzner) |
| Gentzen | MacTutor History of Mathematics Archive (St Andrews) |
| Gödel | MacTutor History of Mathematics Archive (St Andrews) |
| Herbrand | MacTutor History of Mathematics Archive (St Andrews) |
| Hilbert | MacTutor History of Mathematics Archive (St Andrews) |
| Karp | MacTutor History of Mathematics Archive (St Andrews) |
| Kleene | MacTutor History of Mathematics Archive (St Andrews) |
| Leibniz | MacTutor History of Mathematics Archive (St Andrews) |
| Leshniewski | MacTutor History of Mathematics Archive (St Andrews) |
| Löwenheim | MacTutor History of Mathematics Archive (St Andrews) |
| Lukasiewicz | MacTutor History of Mathematics Archive (St Andrews) |
| Mostowski | MacTutor History of Mathematics Archive (St Andrews) |
| Ockham | MacTutor History of Mathematics Archive (St Andrews) |
| Ockham | The Internet Encyclopedia of Philosophy |
| Post | MacTutor History of Mathematics Archive (St Andrews) |
| Quine | MacTutor History of Mathematics Archive (St Andrews) |
| Quine | Willard Van Orman Quine Home Page (Douglas Boynton Quine) |
| Ramsey | MacTutor History of Mathematics Archive (St Andrews) |
| Russell | MacTutor History of Mathematics Archive (St Andrews) |
| Russell | The Bertrand Russell Archives (McMaster University, Canada) |
| Skolem | MacTutor History of Mathematics Archive (St Andrews) |
| Smullyan | Eine Zusammenstellung von Links zu Raymond Smullyan (TU Wien) |
| Tarski | MacTutor History of Mathematics Archive (St Andrews) |
| Turing | MacTutor History of Mathematics Archive (St Andrews) |
| Turing | Alan Turing Home Page (Andrew Hodges, Oxford) |
| Venn | MacTutor History of Mathematics Archive (St Andrews) |
| Von Neumann | MacTutor History of Mathematics Archive (St Andrews) |
| Whitehead | MacTutor History of Mathematics Archive (St Andrews) |
| Wittgenstein | MacTutor History of Mathematics Archive (St Andrews) |
| Wittgenstein | Alles, was es über Wittgenstein im WWW gibt!!! (Brian W. Carver) |
| Wittgenstein | DLWG: Deutsche Ludwig Wittgenstein Gesellschaft (Uni Passau) |
| Zermelo | MacTutor History of Mathematics Archive (St Andrews) |
|
Jochen Lechner lechner@phil-fak.uni-duesseldorf.de Letzte Änderung: 28. April 1998 |