Wil Waluchow is a Professor in McMaster's Department of Philosophy, the Senator William McMaster Chair in Constitutional Studies, and an Adjunct Member of the Graduate Faculty of Osgoode Hall Law School, Toronto. His BA and MA in philosophy are from the University of Western Ontario (Huron University College) and his DPhil in the philosophy of law is from Oxford University, where he studied under the supervision of H.L.A. Hart. His current research interests are in general jurisprudence and the philosophy of constitutional law. He is the author of numerous books, including Inclusive Legal Positivism (OUP, 1994) and A Common Law Theory of Judicial Review: The Living Tree (CUP, 2007).Stefan Sciaraffa is Assistant Professor in McMaster's Department of Philosophy. He specializes in the philosophy of law and social, moral and political philosophy. He received a J.D. from the University of Texas and a Ph.D. in philosophy from the University of Arizona. He practiced law as an associate with the commercial litigation section of Akin, Gump, Strauss, Hauer & Feld, LLP.

The philosophical foundations of the nature of law is a broad and demanding theme and, to help orient the reader, editors Wil Waluchow and Stephan Sciaraffa have written a helpful introduction and grouped the papers into four topics (Furthering Debates between Leading Theories of Law; The Power of Legal Systems; Conceptual Analysis; and New Directions).

• PART I. FURTHERING DEBATE BETWEEN THE LEADING THEORIES OF LAW ; 1. The Explanatory Indispensability of Weak Natural Law Theory ; 2. In Defense of Hart ; 3. Law's Authority Is Not a Claim to Preemption ; 4. The Normative Fallacy Regarding Law's Authority ; 5. The Nature of Law and Legal Rationality: Towards an Integrative Jurisprudence ; PART II. THE POWER OF LEGAL SYSTEMS ; 6. Law as Power: Two Rule of Law Requirements ; 7. Hart and Austin Together Again for the First Time: Coercive Enforcement and the Theory of Legal Obligation ; 8. Law and the Entitlement to Coerce ; PART III. CONCEPTUAL ANALYSIS ; 9. Farewell to Conceptual Analysis (in Jurisprudence) ; 10. What Do We Want Law to Be? Philosophical Analysis and the Concept of Law ; PART IV. NEW DIRECTIONS ; 11. Legal as a Thick Concept ; 12. Making Old Questions New: Law, Legal System, and State ; 13. Legal Disagreements and the Dual Nature of Law ; 14. One Right Answer? The Meta Edition

Wil Waluchow is a Professor in McMaster's Department of Philosophy, the Senator William McMaster Chair in Constitutional Studies, and an Adjunct Member of the Graduate Faculty of Osgoode Hall Law School, Toronto. His BA and MA in philosophy are from the University of Western Ontario (Huron University College) and his DPhil in the philosophy of law is from Oxford University, where he studied under the supervision of H.L.A. Hart. His current research interests are in general jurisprudence and the philosophy of constitutional law. He is the author of numerous books, including Inclusive Legal Positivism (OUP, 1994) and A Common Law Theory of Judicial Review: The Living Tree (CUP, 2007).Stefan Sciaraffa is Assistant Professor in McMaster's Department of Philosophy. He specializes in the philosophy of law and social, moral and political philosophy. He received a J.D. from the University of Texas and a Ph.D. in philosophy from the University of Arizona. He practiced law as an associate with the commercial litigation section of Akin, Gump, Strauss, Hauer & Feld, LLP.

The philosophical foundations of the nature of law is a broad and demanding theme and, to help orient the reader, editors Wil Waluchow and Stephan Sciaraffa have written a helpful introduction and grouped the papers into four topics (Furthering Debates between Leading Theories of Law; The Power of Legal Systems; Conceptual Analysis; and New Directions).

• PART I. FURTHERING DEBATE BETWEEN THE LEADING THEORIES OF LAW ; 1. The Explanatory Indispensability of Weak Natural Law Theory ; 2. In Defense of Hart ; 3. Law's Authority Is Not a Claim to Preemption ; 4. The Normative Fallacy Regarding Law's Authority ; 5. The Nature of Law and Legal Rationality: Towards an Integrative Jurisprudence ; PART II. THE POWER OF LEGAL SYSTEMS ; 6. Law as Power: Two Rule of Law Requirements ; 7. Hart and Austin Together Again for the First Time: Coercive Enforcement and the Theory of Legal Obligation ; 8. Law and the Entitlement to Coerce ; PART III. CONCEPTUAL ANALYSIS ; 9. Farewell to Conceptual Analysis (in Jurisprudence) ; 10. What Do We Want Law to Be? Philosophical Analysis and the Concept of Law ; PART IV. NEW DIRECTIONS ; 11. Legal as a Thick Concept ; 12. Making Old Questions New: Law, Legal System, and State ; 13. Legal Disagreements and the Dual Nature of Law ; 14. One Right Answer? The Meta Edition

Wil Waluchow is a Professor in McMaster's Department of Philosophy, the Senator William McMaster Chair in Constitutional Studies, and an Adjunct Member of the Graduate Faculty of Osgoode Hall Law School, Toronto. His BA and MA in philosophy are from the University of Western Ontario (Huron University College) and his DPhil in the philosophy of law is from Oxford University, where he studied under the supervision of H.L.A. Hart. His current research interests are in general jurisprudence and the philosophy of constitutional law. He is the author of numerous books, including Inclusive Legal Positivism (OUP, 1994) and A Common Law Theory of Judicial Review: The Living Tree (CUP, 2007).Stefan Sciaraffa is Assistant Professor in McMaster's Department of Philosophy. He specializes in the philosophy of law and social, moral and political philosophy. He received a J.D. from the University of Texas and a Ph.D. in philosophy from the University of Arizona. He practiced law as an associate with the commercial litigation section of Akin, Gump, Strauss, Hauer & Feld, LLP.

The philosophical foundations of the nature of law is a broad and demanding theme and, to help orient the reader, editors Wil Waluchow and Stephan Sciaraffa have written a helpful introduction and grouped the papers into four topics (Furthering Debates between Leading Theories of Law; The Power of Legal Systems; Conceptual Analysis; and New Directions).

• PART I. FURTHERING DEBATE BETWEEN THE LEADING THEORIES OF LAW ; 1. The Explanatory Indispensability of Weak Natural Law Theory ; 2. In Defense of Hart ; 3. Law's Authority Is Not a Claim to Preemption ; 4. The Normative Fallacy Regarding Law's Authority ; 5. The Nature of Law and Legal Rationality: Towards an Integrative Jurisprudence ; PART II. THE POWER OF LEGAL SYSTEMS ; 6. Law as Power: Two Rule of Law Requirements ; 7. Hart and Austin Together Again for the First Time: Coercive Enforcement and the Theory of Legal Obligation ; 8. Law and the Entitlement to Coerce ; PART III. CONCEPTUAL ANALYSIS ; 9. Farewell to Conceptual Analysis (in Jurisprudence) ; 10. What Do We Want Law to Be? Philosophical Analysis and the Concept of Law ; PART IV. NEW DIRECTIONS ; 11. Legal as a Thick Concept ; 12. Making Old Questions New: Law, Legal System, and State ; 13. Legal Disagreements and the Dual Nature of Law ; 14. One Right Answer? The Meta Edition