This study of Anselm of Canterbury's enigmatic work De grammatico provides a perspective both on Anselm's thought and the history of medieval dialectic immediately prior to the renaissance of dialectic in the 12th century. The first part of the book examines Anselm's notion of dialectic and illustrates the role of De grammatico in the context of teaching dialectic. The second part of the book remarks the novelty of Anselm's way of treating fallacies and presents a full study of the technique for treating fallacies, its theoretical basis, and its application in the context of...