Ackermann, Robert J.. Garden City, NY: Anchor Books 1970 . Paperback. viii, 261 pp. Index. Previous owner’s name stamped to top edges. A solid copy with only light wear. “…presents the standard logical systems of modern logic along with an explicit introduction to the presuppositions embodied in their symbolism. The text is accompanied by an ingenious set of exercises and answers which aid the reader to a working knowledge of the subject.” Book: Very Good. Dust Jacket: .