Robert Stern is Professor of Philosophy at the University of Sheffield. He is the author of Hegel, Kant and the Structure of the Object (1990), Transcendental Arguments and Scepticism: Answering the Question of Justification (2000), Hegel and the 'Phenomenology of Spirit' (2002) and Hegelian Metaphysics (2009). He is editor of Transcendental Arguments: Problems and Prospects (1999) and G. W. F. Hegel: Critical Assessments (1993).