Originally published in 1990. Examining epistemic justification, truth and logic, this book works towards a holistic theory of knowledge. It discusses evidence, belief, reliability and many philosophical theories surrounding the nature of true knowledge. A thorough Preface updates the main work from when it was written in 1976 to include theories ascendant in the 80s."

Originally published in 1916. This book reviews the common problems of philosophy and then critiques the varied epistemological theories of the time. A theory of knowledge may be either dualistic or monistic and realistic or idealistic. Examining the resulting doctrines at the beginning, this book then goes on to consider mysticism, psychology, logic, consciousness, intellectualism and then scientific method. A fascinating insight into early Twentieth century philosophy.

Originally published in 1940. Firstly, this book seeks to combine epistemology and the new developments of the time in psychology. It holds that no epistemology can be sound if it is psychologically defective, nor can a psychological analysis of knowledge be philosophically naive. Secondly, it attempts to suggest a single structural pattern underlying every type of cognitive situation. Offering a significant reorientation to epistemological thought of its time, this work considers perception, sense and memory and examines the referential theory of knowledge. It is a lucid and precisely...

Originally published in 1966. This book considers the asymmetries between the self and others, or between self and things. An indepth analysis of scepticism, dualism, belief and knowledge.

Originally published in 1949. Understanding the questions is the major problem when beginning philosophy. This book does not attempt to provide the answers, but defines the questions and shows by example how they should be tackled. Subjects treated include the nature of the objects of thought and judgment; truth and error in belief; perception and knowledge of the material world; the status and function of memory.

Originally published in 1990. This study argues that scepticism is an intelligible view and that the issue scepticism raises is whether or not certain sceptical hypotheses are as plausible as the ordinary views we accept. It discusses psychological concepts, definitions of knowledge, belief and hypothetic inference (inference to the best explanation). Starting from Is skepticism a problem for epistemology, the book takes us through the argument for the possibility of scepticism, including looking at sense data and considering memory and perception."