An astonishingly up-to-date, balanced, and readable account of the development of logical concepts and their contemporary application in philosophy, mathematics, and computer science. The book should be required reading for undergraduates and graduate students in the three areas.

American Reference Books Annual

Those familiar with Gensler's logic texts will be delighted. Like those texts, this book is a combination of simplicity (where possible) and detail (where needed). In this work, such features help provide a solid foundation for acquainting oneself with many aspects of the field of logic, standard and non-standard alike, as well as a wealthy source for materials great for classroom use.

Dr. Thomas R. Foster, Department of Philosophy, Ball State University

Gensler succeeds in striking the balance of providing a newcomer with enough breadth and depth of explanation, while keeping discussions brief enough with appropriate cross-refrencing to sustain a non-specialist's or aspiring specialist's interest.

Philosophy in Review