Tips on Translating English into First-Order Logic Tips on Translating English into First-Order Logic: An introductory guide by Peter Suber. (Philosophy of Logic) http://www.earlham.edu/~peters/courses/log/transtip.htm
The Troublesome Paradox The Troublesome Paradox: Online version of book seeking publication by Per Lundgren. Author attempts to argue that a consequence of Goedel's incompleteness theorem is that we should overturn our current approach to scientific method. (Philosophy of Logic) http://www.yesgoyes.com/
Nordic Journal of Philosophical Logic (NJPL) Nordic Journal of Philosophical Logic (NJPL): Edited at Dep. of Philosophy, Univ. of Oslo, published by Scandinavian U.P. in hard copy and on WWW. Full-text Web edition free for personal use. (Philosophy of Logic) http://www.hf.uio.no/filosofi/njpl/
Why Aristotelian Logic does not Work Why Aristotelian Logic does not Work: An essay at Abelard.org outlining an argument against Aristotelian syllogistic. The argument focusses upon the relationship between Aristotle's categories and his conception of being, attacking them from an idealist position drawing upon Brouwerian intui (Philosophy of Logic) http://www.abelard.org/category/category.htm
Symbolic Logic Symbolic Logic: Online resources provided to supplement undergraduate course taught by Peter Suber. Good collection of handouts. (Philosophy of Logic) http://www.earlham.edu/~peters/courses/log/loghome.htm
Peirce's Logic Peirce's Logic: Article in the Stanford Encyclopaedia of Philosophy, by Eric Hammer. (Philosophy of Logic) http://plato.stanford.edu/entries/peirce-logic/
Logic Logic: An online textbook by Garth Kemerling, explaining the basic elements of elementary logic at an undergraduate level. (Philosophy of Logic) http://www.philosophypages.com/lg/
Logic and Mathematics Logic and Mathematics: Essay on the nature of logic and its relationship to the philosophy of mathematics, written by Stephen G. Simpson. (Philosophy of Logic) http://www.math.psu.edu/simpson/papers/philmath/
PHILOG PHILOG: The Danish Network for Philosophical Logic and its Applications. (Philosophy of Logic) http://www.philog.ruc.dk/
Frege's Theorem Frege's Theorem: Article in the Stanford Encylcopaedia of Philosophy, entitled `Frege's Logic, Theorem, and Foundations for Arithmetic'. Discusses the 1980 discovery of Crispin Wright that Frege's work of the Grundgesetze can be carried out in second-order logic with Hum (Philosophy of Logic) http://plato.stanford.edu/entries/frege-logic/index.html
Philosophical Logic Philosophical Logic: Introductory article by E. J. Loewe. (Philosophy of Logic) http://www.dur.ac.uk/~dfl0www/modules/logic/PHILLOG.HTM