This site discusses fundamental concepts of critical thinking. It includes a brief discussion of the history of critical thinking and logic. (
http://www.kcmetro.cc.mo.us/longview/ctac/corenotes.htm
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This site discusses the "intellectual roots" of critical thinking as a discipline. A concise review of the historical development of disciplined reasoning is provided. Many important figures from the history of western philosophy, most notably Socrates, are given special consideration. (
http://www.criticalthinking.org/University/cthistory.html
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This site contains many resources, links, and (often amusing) commentary pertaining to many topics, skills of Critical Thinking. (
http://www.austhink.org/critical/
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This site, operated out of San Jose State University, is self-described as "an interactive tutorial for critical thinking, in which you will be introduced to basic concepts through sets of instructions and exercises." This is a thorough and clear introduction to many of the most important concepts and skills in Critical Thinking. (
http://www2.sjsu.edu/depts/itl/graphics/main.html
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This is the home site for the Foundation For Critical Thinking. At this site, you'll find a variety of essays concerning the fundamentals Critical Thinking, its characteristics and applications. (
http://www.criticalthinking.org
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Here you'll find a collection of articles on various topics of Critical Thinking from a range of academic journals and periodicals. (
http://www.indiana.edu/~wts/cwp/lib/thkgbib.html
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To learn more about the book this website supports, please visit its Information Center.