"This introduction to Logic and Critical Thinking combines both formal and informal techniques of logic. It enhances students' intellectual self-confidence through improved skill in recognizing the differences between valid and invalid reasoning. Developed, refined, and progressively field-tested during over 20 years of classroom use, these simple, practical, but rigorous techniques are applicable to a variety of intellectual contexts, including moral, scientific, and everyday reasoning. The text is illustrated by inherently interesting examples and supplemented by numerous exercises, all emphasizing awareness of the nature of logical fallacies."--BOOK JACKET.