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Humboldt State University: Argumentation and Critical Thinking Tutorial - http://www.humboldt.edu/~act/HTML/
Jay VerLinden's resource offering reviews and tests on important concepts in formal logic. |
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Why Aristotelian Logic does not Work - http://www.abelard.org/category/category.htm
An essay at Abelard.org outlining an argument against Aristotelian syllogistic. |
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The Logic Course - http://www.thelogiccourse.com/
An interactive course in formal logic, with tutorials and quizzes on critical thinking, truth-tables, and sentential. |
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Dead Logicians Society - http://www.freewebs.com/deadlogicianssociety/
Warwick university's very own logic society aiming to increase and stimulate interest in logic and philosophy of logic at the university. Offers news and events. |
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Frege's Theorem - http://plato.stanford.edu/entries/frege-logic/index.html
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 Hume's principle. |