This 1997 book offers a major reassessment of the philosophy of Peter Abelard (1079-1142) which argues that he was not, as usually presented, a predominantly critical thinker but a constructive one. By way of evidence the author offers analyses of frequently discussed topics in Abelard's philosophy, and examines other areas such as the nature of substances and accidents, cognition, the definition of 'good' and 'evil', virtues and merit, and practical...