Foreword: A history of 'ideas' / Godfrey Vesey -- Idealism and Greek philosophy: What Descartes saw and Berkeley missed / M.F. Burnyeat -- Berkeley's immaterialism and Kant's transcendental idealism / M.R. Ayers -- Kant's transcendental idealism / Graham Bird -- Kant as seen by Hegel / W.H. Walsh -- Fichte and German idealism / Patrick Gardiner -- Schopenhauer on action and the will / D.W. Hamlyn -- Hegel on action and the will / D.W. Hamlyn -- The primacy of practice: 'Intelligent idealism' in Marxist thought / Richard Norman -- Bradley and internal relations / A.R. Manser -- Parasites cut loose / Anthony Palmer -- Transcendental arguments and idealism / Ross Harrison -- Anti-realist semantics: The role of criteria / Crispin Wright -- Wittgenstein and idealism / Norman Malcolm -- Life-form and idealism / Derek Bolton