Since Descartes, one of the central questions of Western philosophy has been that of how we know that the objects we seem to perceive are real. Philosophical skeptics claim that we know no such thing. Representationalists claim that we can gain such knowledge only by inference, by showing that the hypothesis of a real world is the best explanation for the kind of sensations and mental images we experience. Both accept the doctrine of a 'veil of perception:' that perception can only give us direct awareness of images or representations of objects, not the external objects themselves. In contrast, Huemer develops a theory of perceptual awareness in which perception gives us direct awareness of real objects, not mental representations, and we have non-inferential knowledge of the properties of these objects. Further, Huemer confronts the four main arguments for philosophical skepticism, showing that they are powerless against this kind of theory of perceptual knowledge.

Chapter 1 Analytical Contents Chapter 2 Figures Chapter 3 Preface Chapter 4 Introduction: The Problem of Perceptual Knowledge Chapter 5 The Lure of Radical Skepticism Chapter 6 Easy Answers to Skepticism Chapter 7 A Version of Direct Realism Chapter 8 A Version of Foundationalism Chapter 9 Objections to Direct Realism Chapter 10 An Objection to Indirect Realism: The Problem of Spatial Properties Chapter 11 The Direct Realist's Answer to Skepticism