Teaching critical thinking can be difficult, and it is nice to know that Professors Joe Lau and Jonathan Chan at the University of Hong Kong have created this site to help both teachers and students in this endeavor. Working with a grant from the government of Hong Kong's University Grants Committee, the two have created this website to provide access to over 100 free online tutorials on critical...

For those who believe the Web fosters only barely mindful surfing, we offer the following site as counterargument. Not to be confused with fallacies are paradoxes: "a puzzling conclusion we seem to be driven towards by our reasoning, but which is highly counterintuitive, nevertheless" -- also known as brainteasers for logicians. The Internet Encyclopedia of Philosophy (see the August 14, 1998 ...

Stefan Waner and Steven R. Costenoble of Hofstra University begin this online textbook by assigning students to prove the existence of God. This leads them to a concise discussion not of faith but of symbolic logic. This resource covers: statements and logical operators; logical equivalence, tautologies and contradictions; the conditional and biconditional; tautological implications and...

This cornucopia of math and logic problems is provided at no charge courtesy of the folks at BarCodes Inc. Designed to serve as a type of one-stop destination for those who love such activities, the site serves as a thoughtfully curated collection that deals with math in the real world, logic puzzles, and much more. Visitors will find four different thematic areas, including Math and Logic...

For those who believe the Web fosters only barely mindful surfing, we offer the following site as counterargument. The Fallacy Files, mentioned in Critical Thinking on the Web's Top Ten and authored by a former teacher of college logic, features virtually exhaustive descriptions with examples and counterexamples of logical fallacies. The fallacies are readily accessible through an alphabetical...