Acknowledgments xiii
Introduction 1
Part 1. Epistemic Angst 9
Chapter 1. Radical Skepticism and Closure 11
1. The Contemporary Radical Skeptical Paradox 11
2. Undercutting versus Overriding Anti-skeptical Strategies 16
3. An Overriding Anti-skeptical Strategy (I): Nonclosure 17
4. An Overriding Anti-skeptical Strategy (II): Epistemic Externalism 19
5. Radical Skepticism about Rationally Grounded Knowledge 22
6. An Overriding Anti-skeptical Strategy (III): Abductivism 25
7. Concluding Remarks 28
Chapter 2. Radical Skepticism and Underdetermination 29
0. Introductory Remarks 29
1. Radical Skepticism and the Underdetermination Principle 29
2. An Overriding Anti-skeptical Strategy: Epistemic Externalism 32
3. Attributer Contextualism as an Overriding Anti-skeptical Strategy 36
4. Attributer Contextualism as an Undercutting Anti-skeptical Strategy 40
5. Comparing the Two Forms of Radical Skepticism 46
6. The Source of Underdetermination-Based Radical Skepticism 49
7. Two Sources of Radical Skepticism 54
8. Anti-skeptical Desiderata 58
Part 2. Wittgenstein and the Groundlessness of Our Believing 61
Chapter 3. Wittgenstein on the Structure of Rational Evaluation 63
0. Introductory Remarks 63
1. Wittgenstein on the Structure of Rational Evaluation 63
2. Wittgenstein contra the Skeptical "Paradox" 66
3. A Core Problem for the Wittgensteinian Account of the Structure of Rational Evaluation 70
4. Epistemic Ways of Developing the Wittgensteinian Account of the Structure of Rational Evaluation (I): The Externalist Reading 73
5. Epistemic Ways of Developing the Wittgensteinian Account of the Structure of Rational Evaluation (II): The Entitlement Reading 77
6. A Nonepistemic Way of Developing the Wittgensteinian
Account of the Structure of Rational Evaluation: The Nonpropositional Reading 84
7. Concluding Remarks 87
Chapter 4. Hinge Commitments 89
0. Introductory Remarks 89
1. The Nonbelief Reading 90
2. Hinge Commitments 94
3. Anti-skeptical Contrasts (I): Inferential Contextualism 103
4. Anti-skeptical Contrasts (II): Strawsonian Naturalism 110
5. Anti-skeptical Contrasts (III): Davidsonian Content Externalism 112
6. Wittgensteinian Anti-skepticism and Underdetermination-Based Radical Skepticism 113
7. Epistemic Priority and Underdetermination-Based Radical Skepticism 116
8. Concluding Remarks 118
Part 3. Epistemological Disjunctivism 121
Chapter 5. Epistemological Disjunctivism and the Factivity of Reasons 123
0. Introductory Remarks 123
1. Epistemological Disjunctivism in Outline 123
2. Three Core Problems for Epistemological Disjunctivism 127
3. Epistemological Disjunctivism qua Anti-skeptical Strategy 132
4. Radical Skepticism and Favoring/Discriminating Epistemic Support 136
5. Concluding Remarks 142
Chapter 6. Epistemological Disjunctivism and Closure-Based Radical Skepticism 144
0. Introductory Remarks 144
1. Anti-skeptical Contrasts (I): Rational Support Contextualism 144
2. Anti-skeptical Contrasts (II): Contrastivism 153
3. Anti-skeptical Contrasts (III): Dogmatism 157
4. A Weakness in Epistemological Disjunctivism 160
5. Epistemological Disjunctivism and Its Competitors 163
6. Concluding Remarks 166
Part 4. Farewell to Epistemic Angst 167
Chapter 7. Farewell to Epistemic Angst 169
0. Introductory Remarks 169
1. Recap: The Problem of Radical Skepticism 169
2. The Biscopic Proposal: Epistemic Angst Avoided 173
3. Some Anti-skeptical Contrasts 179
4. Concluding Postscript: Epistemic Vertigo 184
Notes 189
Bibliography 217
Index 237
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