This new edition of the classic Introduction to Logic, retains its original spirit, while introducing new and intriguing exercises, and a compelling, updated design and presentation. The text introduces students to the fundamental methods and techniques of correct reasoning in ordinary language, in deductive arguments in both classical and modern approaches to deduction, and in inductive arguments as they actually arise in daily life and scientific inquiry. It accounts of methods and techniques is authoritative, comprehensive and detailed. Complex logical issues are presented clearly and with relevance to students' academic lives.