A CONCISE INTRODUCTION TO LOGIC is #1 in its market for good reason. In the thirteenth edition, Patrick Hurley and new co-author Lori Watson continue the lucid, focused, and accessible presentation of logic, both formal and informal. Extensive, carefully sequenced exercises guide students toward greater proficiency with the skills they are learning. The exercises' range and volume allow self-pacing, so students can build skills methodically and work up to more difficult problems. Also available: the MindTap® digital solution -- featuring gradable, interactive versions of many of this edition's exercises; the Aplia™ online homework solution; Learning Logic multimedia tutorials; video clips covering difficult topics; and a complete eBook.