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ASL Committee on Logic Education - http://www.ucalgary.ca/philosophy/asl-cle/
Reports and resources from the Association of Symbolic Logic. |
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Logic Software from CSLI - http://www-csli.stanford.edu/hp/
Hyperproof, Tarski's World, Turing's World, and The Language of First-order Logic, educational logic software by Jon Barwise and John Etchemendy |
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Around Gödel's Theorem - http://www.ltn.lv/~podnieks/
(Hyper)textbook for students in mathematical logic, by Karlis Podnieks. |
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Disjunction - http://plato.stanford.edu/entries/disjunction/
Theory and history of the binary connective 'or'; from the Stanford Encyclopedia of Philosophy by Ray Jennings. |
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Mission: Critical - http://www.sjsu.edu/depts/itl/
Interactive tutorial for critical thinking. |