This robust, clear, and well-researched textbook for classes in logic introduces students to both formal logic and to the virtues of intellectual inquiry. Part

I have tried to make this book an argument, not a catalogue of dogmas. Its ideal reader will find himself constantly asking questions, for which he will insist

The Elements of Arguments introduces such central critical thinking topics as informal fallacies, the difference between validity and truth, basic formal propos

'You shouldn't drink too much. The Earth is round. Milk is good for your bones.' Are any of these claims true? How can you tell? Can you ever be certain you are

Students learn logic by practicing it by working through problems, analyzing existing arguments, and constructing their own arguments in plain language and symb