by J. R. LUCAS Fellow of Merton College, Oxford 2006 c J.R. Lucas Typeset by J.R. Lucas using TEX to Bernard Williams and all who argued with me Contents Falliblity and Reality To view a chapter, click on chapter number within red border Chapter 1 x1.1 Wrong? x1.2 Is Metaphysics Possible? x1.3 Is Metaphysics Necessary? x1.4 The Natural History of Reason x1.5 Pro and Con x1.6 Argument and Agreement x1.7 Authority and Autonomy Chapter 2 Development of Normative Reason 25 x2.1 Noncontradiction x2.2 `Not' and `And' x2.3 Godelian Arguments x2.4 Mathematical Dialogues x2.5 All, Any, Every and Each x2.6 Induction x2.7 Practical Reason x2.8 Empathy and Other Minds x2.9 Reason Chapter 3 A Critique of Critical Reasoning 73 x3.1 Scepticism x3.2 Knowledge and Doubt x3.3 Autonomy x3.4 Inductive Scepticism x3.5 Predictions Vindicated x3.6 A Gruesome Universe? x3.7 Degrees of Similarity x3.8 Natural Kinds x3.9 Limits of Critical Reasoning v 1 Cause and Explanation 100 x4.1 Explanation x4.2 Why? x4.3 BeCauses x4.4 Hume on the Meaning of Cause x4.5 The Concept of Causal Cause x4.6 Causal Necessity x4.7 The Epistemology of Causal Laws x4.8 Discovering Causal Connexions x4.9 Causal Reductionism Chapter 5 Projectivism and Probability 130 x5.1 Projectivism x5.2 Degrees of Belief x5.3 The Marriage of Arithmetic with Boole x5.4 Assigning Probabilities x5.5 : : : and Statistics x5.6 The Limits of Ignorance x5.7 Unprojected Reality Chapter 6 The Tree in the Lonely Quad 147 x6.1 Phenomenalism and Solipsism x6.2 How Do You Know? x6.3 The Argument from Illusion x6.4 The Argument from the Senses x6.5 The Argument from Facts x6.6 Rebuttals x6.7 Arguments against Phenomenalism x6.8 Reality Recovered x6.9 The Analogy of Feeling x6.10 Criteria x6.11 The Argument from Deception x6.12 Myself and Others x6.13 Understanding People x6.14 Conclusion Chapter 4 vi Existence and Universals 178 x7.1 Universals x7.2 Existence x7.3 Platonism x7.4 Mathematical Platonism x7.5 Nominalism x7.6 Conceptualism x7.7 Natural Kinds x7.8 Modifying Logic x7.9 Umbrian Universals x7.10 Aristotelian Actuality Chapter 8 Appearance and Unreality 219 x8.1 `Real' x8.2 Antirealisms x8.3 Appearances x8.4 Plato against Appearance x8.5 Empiricism x8.6 The Cave x8.7 Beyond Chapter 9 The Search for the Ultimate 246 x9.1 The Ontological Argument x9.2 \Existence Is Not a Predicate" x9.3 The Search for the Superlative x9.4 The Logic of the Mostest x9.5 Togetherness and Res Extensa x9.6 Corpuscularianism x9.7 The Plenum and the Void: Arena and Explanation x9.8 Penultimate Imperfections Chapter 10 Points of View 279 x10.1 Locality x10.2 Causal Cones x10.3 Minkowski Spacetime x10.4 Windowed Monads x10.5 Covariance x10.6 Perspectives x10.7 McTaggart and Mellor x10.8 Tense and Temporality Chapter 7 vii Quantum Mechanics Chapter 11 307 11.1 Unhistory 11.2 The Inner Cave 11.3 Discreteness and Continuity 11.4 From von Neumann to Kochen-Specker 11.5 From EPR via JSB to GHZ 11.6 Non-locality 11.7 The \Measurement Problem" 11.8 Knowing and Being 11.9 The Uncertainty Principle 11.10 Nullary Qualities 11.11 Indiscernability and Haecceitas 11.12 Quantum Realism 11.13 Quantum Philosophy x x x x x x x x x x x x x Chapter 12 12.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 12.9 x x x x x x x x x Chapter 13 13.1 13.2 13.3 13.4 13.5 13.6 13.7 13.8 13.9 x x x x x x x x x Time 347 Time and Change Leibniz and Relationism Spacetime Time and Electromagnetism Tense and Modality Augustine, Instants and Intervals The Topology of Time The Metric of Time Tense and Reality Reductionism Pervasive Pressure Laplace Isolation and Chaos Indeterminism Supervenience Haecceity Levels of Explanation The Virtues of Irrelevance Pluralist Monism viii 381 Chapter 14 14.1 14.2 14.3 14.4 14.5 14.6 14.7 14.8 x x x x x x x x Chapter 15 15.1 15.2 15.3 15.4 15.5 15.5 x x x x x x Persons Minds and Bodies Consciousness A Mind of One's Own Fusion and Fission In Praise of Bodies The Subjective View Secondary Qualities Conjugating Viewpoints Inconclusions 414 455 The Restoration of Reason The Pressure of Reason on Reality Personal Reason and Reality Recalcitrance and Actuality Metaphysical Argument Questioning Quest ix