Nordic Journal of Philosophical Logic is edited at the Department of Philosophy of the University of Oslo and published by Scandinavian University Press.

www.hf.uio.no/filosofi/njpl

An explanation of the basic elements of elementary logic.

www.philosophypages.com/lg

Stanford Encyclopedia of Philosophy A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Frege's Logic, Theorem, and Foundations for Arithmetic Frege formulated two distinguished formal systems and used these systems in his attempt both to express certain basic concepts of mathematics precisely and to derive certain mathematical laws from the laws ...

plato.stanford.edu/entries/frege-logic/index.html

Symbolic Logic Peter Suber, Philosophy Department, Earlham College This is the course home-page for Philosophy 16, Symbolic Logic. Spring Semester, 1996-97. 1:00 - 2:20, MTh. Carpenter 322. Course description. Hand-outs Syllabus Truth and Validity Basic Terms of Logic Propositional Logic Terms and Symbols Translation Tips Paradoxes of Material Implication Short-Cut Truth Table Method and Forking ...

www.earlham.edu/~peters/courses/log/loghome.htm

Stanford Encyclopedia of Philosophy A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Peirce's Logic Charles Peirce's contributions to logical theory are numerous and profound. His work on relations building on ideas of De Morgan influenced Schroder, and through Schroder Peano, Russell, Lowenheim and much of contemporary logical theory.

plato.stanford.edu/entries/peirce-logic

Analysis of fundamental errors in the Aristotelian paradigm called category logic.

www.abelard.org/category/category.htm

Logic and Mathematics ...

www.math.psu.edu/simpson/papers/philmath