Acknowledgements; Contents; 1 Introduction; References; 2 The Law of Nations: Between Natural and Positive Law; 2.1 The Law of Nations and International Law; 2.1.1 The Issue of the Paternity of International Law; 2.1.2 International Law and the Just War Doctrine; 2.2 The Evolution of the Concept of Jus Gentium; 2.2.1 The Roman Notion; 2.2.2 The Medieval Notion; 2.2.3 The Vitorian Notion; 2.3 The Humanist Law of Nations: Alberico Gentili; 2.4 Summary; References; 3 The Foundations of Law in Francisco Suárez; 3.1 A Theologian's Approach; 3.1.1 Consonance and Dissonance from the Scholasticism

3.1.1.1 The Singular and the Universal3.1.1.2 Suárez's Immanence; 3.2 The Theory of Law; 3.2.1 Subjective Right; 3.2.2 Voluntarism and Intellectualism; 3.2.3 Suárez's Common Good; 3.2.4 Other Requisites and the Definition of Law; 3.3 From the Laws of God to the Laws of Men; 3.3.1 The Unity of Natural Law; 3.4 Summary; References; 4 The Foundations of Law in Hugo Grotius; 4.1 The Approach of a Jurist-Theologian; 4.1.1 Consonance and Dissonance from Scholasticism, Stoicism, and Modernity: Grotius' Eclecticism; 4.2 The Method; 4.3 The Theory of Law

4.3.1 Grotius' Sociability and Modernity: Between Aristotle and the Stoics4.3.2 Voluntarism and Intellectualism: The Objectivity of Values; 4.4 From the Laws of God to the Laws of Men; 4.4.1 The Unity of Natural Law; 4.5 Summary; References; 5 The Law of Nations in Francisco Suárez; 5.1 The Law of War in Suárez; 5.2 The Final Formulation; 5.2.1 A Subtle and Important Distinction; 5.2.2 The Mutable Nature of the Law of Nations; 5.3 The Foundations of the Law of Nations; 5.3.1 The Theory of State; 5.3.1.1 The Origin of the Power; 5.3.1.2 The Doctrine of Tyrannicide

5.3.2 The Formal Source of the Law of Nations5.3.3 The International Society; 5.4 Summary; References; 6 The Law of Nations in Hugo Grotius; 6.1 The Law of War in Grotius; 6.1.1 The Law of War of 1605: The Initial Aristotelianism; 6.1.2 The Law of War of 1625: The Scholastic Reassessment; 6.2 The Foundations of the Law of Nations; 6.2.1 The Theory of the State; 6.2.2 The Positivity and the Formal Source of the Law of Nations; 6.2.3 The International Society; 6.3 Summary; References; 7 Conclusion; References.