Liam Murphy works in legal, moral, and political philosophy and the application of these inquiries to law and legal theory. He has published two books: Moral Demands in Nonideal Theory (2000) and The Myth of Ownership: Taxes and Justice (2002, with Thomas Nagel). His articles have appeared in Philosophy and Public Affairs among other journals. Murphy has been an associate editor and now is a member of the editorial board of Philosophy and Public Affairs. He was vice dean of the New York University School of Law from 2007 to 2010.

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• 1. Introduction; 2. Morality and the grounds of law; 3. Legal positivism; 4. Nonpositivism; 5. Disagreement in practical philosophy; 6. Law; 7. The normative force of law; 8. What makes law law?: law beyond the state; 9. Conclusion: what matters?

Liam Murphy works in legal, moral, and political philosophy and the application of these inquiries to law and legal theory. He has published two books: Moral Demands in Nonideal Theory (2000) and The Myth of Ownership: Taxes and Justice (2002, with Thomas Nagel). His articles have appeared in Philosophy and Public Affairs among other journals. Murphy has been an associate editor and now is a member of the editorial board of Philosophy and Public Affairs. He was vice dean of the New York University School of Law from 2007 to 2010.

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• 1. Introduction; 2. Morality and the grounds of law; 3. Legal positivism; 4. Nonpositivism; 5. Disagreement in practical philosophy; 6. Law; 7. The normative force of law; 8. What makes law law?: law beyond the state; 9. Conclusion: what matters?

Liam Murphy works in legal, moral, and political philosophy and the application of these inquiries to law and legal theory. He has published two books: Moral Demands in Nonideal Theory (2000) and The Myth of Ownership: Taxes and Justice (2002, with Thomas Nagel). His articles have appeared in Philosophy and Public Affairs among other journals. Murphy has been an associate editor and now is a member of the editorial board of Philosophy and Public Affairs. He was vice dean of the New York University School of Law from 2007 to 2010.

Select Guide Rating

• 1. Introduction; 2. Morality and the grounds of law; 3. Legal positivism; 4. Nonpositivism; 5. Disagreement in practical philosophy; 6. Law; 7. The normative force of law; 8. What makes law law?: law beyond the state; 9. Conclusion: what matters?