Abstract

Contents Introduction 1 Chapter 1 Internalism and externalism: some terminology 1.1 Introduction 5 1.2 Falk and Frankena 5 1.3 The internalist position modified 9 1.4 The externalist position elaborated 12 1.5 Judgment internalism/externalism versus existence internalism/externalism 15 1.6 Other kinds of internalism and externalism 17 1.7 Varieties of existence internalism and externalism 19 1.8 Conclusion 26 Chapter 2 Bernard Williams on practical reasons 2.1 Introduction 27 2.2 The internal reason theory 27 2.3 Refining the sub-Humean model 29 2.4 Objections against external reasons 40 2.4.1 The no-explanatory-force objection 41 2.4.2 The no-motivational-fuel objection 44 2.4.3 The obscurity objection 55 2.5 Conclusion 59 Chapter 3 Michael Smith on practical reasons 3.1 Introduction 60 3.2 The moral problem 60 3.3 Cognitivism, internalism, and Humean motivation 65 3.3.1 The objectivity of moral obligations 65 3.3.2 The practicality of moral judgments 67 3.3.3 The Humean theory of motivation 70 3.4 The conceptual analysis of normative reasons 73 3.4.1 Platitudes about normative reasons 73 3.4.2 The advice model 76 3.4.3 ‘If fully rational’-condition: Smith versus Williams 79 3.4.4 The analysis captures the platitudes 84 3.5 Moral rationalism: the solution to the moral problem 88 3.6 Smith’s analysis of normative reasons evaluated 91 3.6.1 The analysis trivializes convergence 92 3.6.2 Why do reasons have to be objective? 94 3.6.3 The analysis does not guarantee practicality 96 3.6.4 The analysis rests on a false platitude 98 3.6.5 Normative reasons and what I would desire if I were fully rational 100 3.6.6 The advice model is inconsistent with the convergence thesis 102 3.7 Conclusion 106 Appendix 1: Michael Smith between moral realism and moral nihilism 107 Appendix 2: Michael Smith’s fetishism objection against judgment externalism 111 Chapter 4 Derek Parfit on practical reasons 4.1 Introduction 132 4.2 Parfit’s externalism 132 4.2.1 The obscurity objection rejected 133 4.2.2 The no-explanatory-force objection rejected 135 4.2.3 The no-motivation-fuel objection rejected 136 4.3 Parfit’s value-based reason theory 139 4.3.1 Internalism and the desire-based reason theory 139 4.3.2 Parfit’s argument against reductive desire-based reason views 143 4.3.3 Parfit’s argument against non-reductive desire-based reason views 148 4.3.4 Arguments in favour of the value-based reason theory 154 4.4 Parfit’s normative non-naturalism 161 4.4.1 Korsgaard’s criticism of realism 163 4.4.2 Korsgaard’s constructivism 166 4.4.3 Parfit’s criticism of constructivism 168 4.4.4 The non-naturalist account of normativity evaluated 174 4.5 Conclusion 179 Appendix: Varieties of moral realism 180 Chapter 5 Harry Frankfurt on practical reasons 5.1 Introduction 194 5.2 Frankfurt’s theory of care and love 194 5.2.1 The hierarchical model 195 5.2.2 Care 200 5.2.3 Love 211 5.3 The love-based reason theory 215 5.4 The love-based reason theory evaluated 225 5.4.1 Love and desire: both motivating, both natural 225 5.4.2 The groundlessness objection 227 5.4.3 The authority of love 239 5.4.4 The objection of normative triviality 244 5.4.5 The love-based reason theory and morality 248 5.5. Conclusion 254 Bibliography 256.