The Intellectual Powers is a philosophical investigation into the cognitive and cogitative powers of mankind. It develops a connective analysis of our powers of consciousness, intentionality, mastery of language, knowledge, belief, certainty, sensation, perception, memory, thought, and imagination, by one of Britain s leading philosophers. It is an essential guide and handbook for philosophers, psychologists, and cognitive neuroscientists. * The culmination of 45 years of reflection on the philosophy of mind, epistemology, and the nature of the human person * No other book in epistemology or philosophy of psychology provides such extensive overviews of consciousness, self-consciousness, intentionality, mastery of a language, knowledge, belief, memory, sensation and perception, thought and imagination * Illustrated with tables, tree-diagrams, and charts to provide overviews of the conceptual relationships disclosed by analysis * Written by one of Britain s best philosophical minds * A sequel to Hacker s Human Nature: The Categorial Framework * An essential guide and handbook for all who are working in philosophy of mind, epistemology, psychology, cognitive science, and cognitive neuroscience