The revision of Prentice Hall's groundbreaking logic tutorial, e Logic ! This tutorial is now available exclusively online, and includes over 500 of the exercises in Essentials of Logic for students to work electronically. Together with the exercises from the text, e Logic includes the tools students need to solve logic problems. Students can work problems, including diagramming arguments, creating Venn diagrams, constructing truth tables, and building proofs, and students receive constant feedback to guide them through solutions. Students can submit their work via email or hardcopy to their instructors, together with a Log Book showing how well they did. eLogic simplifies the study of logic; permits instructors to monitor student performance; and enables students to complete assignments and communicate with their instructors online.