Understanding Arguments: An Introduction to Informal Logic, Ninth Edition

Walter Sinnott-Armstrong and Robert Fogelin


Wadsworth Cengage Learning

Sinnott-Armstrong, professor of practical ethics in the Department of Philosophy and the Kenan Institute for Ethics, and his co-author show readers how to construct arguments in everyday life, using everyday language. This easy-to-read textbook devotes three chapters to propositional, categorical, and quantificational logic and helps readers apply informal logic to legal, moral, scientific, religious, and philosophical scenarios as well.