Link for Venn Diagrams illustrating deductive logic: http://illuminations.nctm.org/LessonDetail.aspx?ID=L384
LINKS FOR STUDENTS
Tim van Gelder’s ‘Critical Thinking on the Web’ is a massive website that catalogs scores of links to just about everything related to critical thinking—from argument-mapping to online logic tutorials:
http://www.austhink.org/critical
Argument mapping (diagramming) can also be found on Tim van Gelder’s Critical Thinking on the Web: http://www.austhink.org/critical/pages/argument_mapping.html
The entry on ‘Informal Logic’ in the Stanford Encyclopedia of Philosophy gives an overview of the subject, which overlaps and intersects with the topic of critical thinking: http://plato.stanford.edu/entries/logic-informal/
‘A List of Fallacious Arguments’, from the Don Lindsay Archive, includes fallacies with definitions and examples:
http://www.don-lindsay-archive.org/skeptic/arguments.html
‘A Mini Guide to Critical Thinking’ by John Lau at the department of philosophy, Hong Kong University. This ‘more-than-a-mini’ guide covers many key concepts in critical thinking. http://philosophy.hku.hk/think/project/miniguide.pdf
A two part article (in Scientific American) discusses ten ways to use critical thinking to distinguish between dubious and credible claims:
http://www.sciam.com/article.cfm?articleID=000D743A-CC5C-1C6E-84A9809EC588EF21&pageNumber=1&catID=2 (Baloney Detection Part 1)
http://www.sciam.com/article.cfm?chanID=sa006&colID=13&articleID=000ADC77-B274-1C6E-84A9809EC588EF21 (Baloney Detection Part 2)
Entries for various fallacies are found at http://www.philosophypages.com/dy/index.html, ‘A Dictionary of Philosophical Terms and Names’.
‘The Fallacy Files’ is a website with an alphabetical listing of fallacies, and includes a number of discussions and examples: http://www.fallacyfiles.org/
Basic information about causal reasoning can be found at ‘Mission: Critical’, an interactive website devoted to critical thinking: http://www2.sjsu.edu/depts/itl/graphics/induc/causal.html
Interactive exercises on fallacies can also be found:
http://www.sjsu.edu/depts/itl/graphics/main.html
A short tutorial on categorical syllogisms can be found on ‘The Philosophy Pages’ at http://www.philosophypages.com/lg/e08a.html
‘The Philosophy Pages’ includes a brief entry for analogical reasoning at http://www.philosophypages.com/lg/e13.html
‘Ethics Updates’ provides a thorough, categorized compilation of resources pertaining to ethics and ethical theory: http://ethics.sandiego.edu/index.htm