e-book 

Introduction to Logic and Critical Thinking

This is an introductory textbook in logic and critical thinking. The goal of thetextbook is to provide the reader with a set of tools and skills that will enablethem to identify and evaluate arguments. The book is intended for anintroductory course that covers both formal and informal logic. As such, it is nota formal logic textbook, but is closer to what one would find marketed as a“critical thinking textbook.”