Fallacies
A logic professor at Earlham College has created a great page of links about logic and
fallacies.
Fallacy Zoo summarizes of a range
of fallacies and gives examples.
Advanced Logic
For practice identifying informal fallacies, check out the Power of Logic online tutorial.
This site provides an extensive introduction to the formal logic course.
Other Resources
The University of Richmond
Writers Web offers a discussion of argument as well as other helpful links for
message construction.
And FYI. . . Stephen
Toulmin is still an extremely active scholar and teacher. You can read more about him
and see his class Web pages.