Moral Objectivity, Autonomy, and Reasons: the Constructivist Challenge to Realism
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MORAL OBJECTIVITY, AUTONOMY, AND REASONS: THE CONSTRUCTIVIST CHALLENGE TO REALISM A Dissertation Presented to the Faculty of the Graduate School of Cornell University In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy by Nathaniel Nelson Jezzi May 2011 © 2011 Nathaniel Nelson Jezzi MORAL OBJECTIVITY, AUTONOMY, AND REASONS: THE CONSTRUCTIVIST CHALLENGE TO REALISM Nathaniel Nelson Jezzi, Ph. D. Cornell University 2011 This dissertation defends realist views in ethics against arguments advanced by ethical constructivists. Realists think that ethical truth obtains independently of any preferred perspective. That is, it is at bottom independent of whatever beliefs, desires, or other forms of commitment we have. Constructivists, in contrast, deny this. But this could mean different things, and there is currently no consensus on what constructivism involves exactly or how we ought to understand this dispute. Consequently, it has been difficult to evaluate the merits of constructivist arguments. This work attempts to remedy these deficiencies by developing a framework for both interpreting and evaluating the nature and scope of the constructivist’s challenge. In the first two chapters, I address some of the larger interpretative disputes. In Chapter 1, I argue that there are two main ways of understanding constructivism. Each of these corresponds to the rejection of a particular commitment of realism. In Chapter 2, however, I argue that neither of these should be understood as representing a free- standing view in metaethics. Rather, each takes aim at a narrower target: viz., the realist’s conception of ethical objectivity. The first type of constructivist challenge rejects realist claims about the nature of ethical objectivity; the second type accepts these but rejects claims about it scope. In the final three chapters, I evaluate these two versions of the challenge. In Chapter 3, I argue that if the constructivist rejects all stance-independent ethical truth, she commits herself to absurd results within ethical theory. This prompts me to consider more modest constructivist theses, ones that allow for some stance- independent ethical truths but that also significantly restrict the scope that such truths play within an ethical theory. In Chapters 4 and 5, however, I argue that the best arguments for this more modest constructivism also fail because the ethical considerations they appeal to – i.e., moral rationalism and autonomy – can be equally accommodated by a robust moral realism. BIOGRAPHICAL SKETCH Nathaniel Jezzi received his B.A. in Government with a concentration in Political Philosophy from Georgetown University in 1998. From 2000-2003, he studied Philosophy, Sociology, and Greek Philology in Berlin, Germany at both the Humboldt Universität and Freie Universität. In 2003, he began his graduate studies in the Sage School of Philosophy at Cornell University. He received his M.A. in Philosophy from Cornell University in 2007. He has taught at Cornell University, the Elmira Correctional Facility, and the University of Aberdeen. He currently lives in Scotland. iii For Katie iv ACKNOWLEDGMENTS I would like to express my deep gratitude to all of the people who have helped with this project. I am particularly indebted to my advisor Nicholas Sturgeon, not only for his many probing questions and helpful comments, but also for his patience and generosity. His rigor, clarity, and integrity of thought have been a model for me. I have surely failed to match these high standards. But, to the extent that this work shares in these qualities, it is in large part due to his influence. I am also very much indebted to the other three members of my committee – Terence Irwin, Matti Eklund, and Michelle Kosch – for their support and advice. The idea for this project developed during my third-year tutorial with Terry. He allowed me the space to find my own questions and gave me the confidence to pursue them. Matti commented on every draft along the way and pushed me to think harder and deeper on a host of topics. Michelle was the last to join the team. She has been a booster, as well as an honest and incisive critic. I owe her, along with the rest of my committee, so much more than I am able to express here. I have also benefited incredibly from my friends and fellow graduate students at Cornell. I am especially thankful for the comments and support of Jacob Klein, Raúl Saucedo, Daniel Koltonski, and Patrick Mayer. They read and commented on multiple drafts, often on very short notice, and offered much needed encouragement. I thank each of them for their patience and friendship. I would like to thank the Sage School of Philosophy for giving me the opportunity to pursue my graduate studies. I may not have been the most deserving of candidates, but I have certainly benefited from their generosity. The intellectual and social milieu of the Department enriched my life greatly. And, of course, I owe no small thanks to my family. My parents and two v brothers have been a constant source of support and inspiration. My wife, however, deserves more credit than anyone else for helping me across the finish line. She has been my closest friend and sharpest critic. It is to her that I devote this work. vi TABLE OF CONTENTS Biographical Sketch iii Dedication iv Acknowledgements v Table of Contents vii 1. The Constructivist’s Challenge 1 1.1 Introduction 1 1.2 Understanding Constructivism Against the Backdrop of Realism 6 1.3 Naturalistic Motivations 12 1.4 Motivations From Within Ethical Theory 15 1.5 Preserving the Challenge of Substantive Constructivism 18 1.6 Offending Realist Intuitions 28 1.7 The General Argumentative Strategy 31 2. Is Constructivism a Free-Standing Metaethical View? 34 2.1 Introduction 34 2.2 The Proceduralist Characterization 36 2.3 Constructivism as a Response Dependence View 39 2.4 The Standpoint Characterization 43 2.5 Problems for the Standpoint Characterization 52 2.6 Reframing the Challenge 61 3. Formal Constructivism and Considered Moral Judgments 64 3.1 Introduction 64 32. What is Formal Constructivism? 66 3.3 An Internal Challenge for Formal Constructivism 67 3.4 Two Kinds of Formal Constructivism 70 vii 3.5 The Failure of Formal Kantian Views 76 3.6 Is the Challenge Too Strong? 84 3.7 What if the Constructivist Rejects Moral Rationalism? 87 3.8 Conclusion 94 4. Normative Alienation and the Morality of Common Sense 98 4.1 Introduction 98 4.2 The Explanatory Challenge 102 4.3 The Argument from Moral Reasons 107 4.4 Rational Force: A Second Pass 114 4.5 Rational Force: A Third Pass 119 4.6 Rational Force: A Last Pass 124 4.7 Objection: Deliberation Without Construction 128 4.8 Conclusion 131 5. Autonomy and the Nature of Morality 132 5.1 Introduction 132 5.2 Some Preliminaries 137 5.3 What is Korsgaard’s Argument for SL? 139 5.4 My Strategy for Evaluating the Argument 142 5.5 Reconstructing Korsgaard’s Argument 143 5.6 Moral Agency and Responsibility 150 5.7 Two Incompatible Senses of Autonomy 158 5.8 Why Korsgaard’s Response Fails 161 5.9 Conclusion 164 Works Cited 168 viii CHAPTER 1 THE CONSTRUCTIVIST’S CHALLENGE 1.1. Introduction Human beings do all kinds of things. While some of these activities are trivial or accidental to our nature, others are central to our understanding of what it is to be human. Ethical practice is arguably one of these. As ethical creatures, we engage in certain characteristic activities: We value things. We take some actions to be wrong and some to be right. We also take some things to count as reasons for acting. There may be much debate about what the proper objects of these activities are, but it is not controversial that we engage the world in these ways. Human beings might have evolved to value quite different things or take different kinds of actions to be wrong or right or take slightly different features of the world to count as reasons for action. But a mature, healthy human being who failed to engage in any of these characteristic activities in any way would be a very strange creature indeed. The central question of this dissertation will be how we are to understand the relation between these activities and the nature of what ethical terms and expressions stand for.1 Although contemporary moral philosophy has generated a flourish of literature on this topic recently, the question is a very old one. It is arguably a version of the one that Plato entertains in his presentation of a dialogue between Socrates and 1 Here and throughout I use “ethical” to refer to a broad range of topics that are the concern of practical philosophy – including morality, value, and practical reason. 1 Euthyphro.2 There the topic is piety. Specifically, is something pious because the gods love it? Or do the gods love it because it is pious? Plato’s brief arguments in the dialogue have been interpreted in different ways and done little to quiet interest in these questions. In order to broaden the terms of the discussion, we may recast Euthyphro’s question in a “rough, secular paraphrase”.3 (i) Do we value things because they are valuable? Or do things have value because we value them? (ii) Do we take certain actions to be wrong (or right) because they are wrong (or right)? Or are these actions wrong (or right) because we take them to be so? (iii) Do we take certain features of the world to count as reasons for action because they are reasons? Or do these features count as reasons for action because we take them to be so? These are metaphysical questions.