Introduction -- Acknowledgments -- CHAPTER I: THE DOMAIN OF SOCIAL ONTOLOGY -- 1. Conflicting Intuitions: Antigone's Paradox -- 2. Ontology -- 3. Social Ontology -- 3.1. The Stipulative Model and the Essentialist Model -- 3.2. The Origins of the Essentialist Model -- 3.3. Contra Hume: Reinach's Essentialism -- 3.3.1. The A Priori Foundations of Social Ontology -- 3.3.2. Arguments For and Against the Essentialist Model -- 3.3.2.1. The "Tragedy of the Commons" and the Irreducibility of Power -- 3.4. The Primitives of Social Reality: Action, Covenants, Emotions -- CHAPTER II: THEORIES -- 1. 'P-ontologies': People, Groups, Relations -- 1.1. Common Commitment and Plural Action -- 2. 'I-ontologies': Facts, Institutions, Procedures -- 2.1. The Relational Character of Social Ontology -- 2.2. The Foundations: Assignment of Function, Collective Intentionality, Constitutive Rules -- 2.2.1. Assignment of Function -- 2.2.2. Intentionality -- 2.2.3. Individual Intentionality -- 2.2.4. Intentionality -- 2.2.5. Constitutive and Regulative Rules -- 2.2.6. Institutional Facts -- 2.3. Rules and the Normative Issue -- 3. Le 'O-ontologies' and the Role of Documents -- 3.1. The (Social) World In Eleven Theses -- 3.2. The Ontology Of Social Objects -- 3.3. From the Letter to the Document: the Case of the European Community -- 3.3.1. Phenomenology of Documents -- 3.3.2. Governmentality: the Poietic Power Of Documents -- CHAPTER III: STATE AND JUSTICE -- 1. That Thing Called State -- 2. Transgenerational Actions -- 2.1. Epistemology -- 2.2. Ontology -- 2.3. Three Theories of The State: A Comparison -- 2.3.1. Utopia -- 2.3.2. Leviathan -- 2.3.3. Minimal State -- 2.4. The Prejudice Against the State: Anarchist Theories -- 2.5. Social Contract 2.0 -- CHAPTER IV: A CROSS-SECTION OF POWER -- 1. States and Meta-States -- 2. Jonas' Half-World -- 2.1. Energy -- 2.2. Power -- 3. The Macrostructure Of Institutional Reality -- 3.1. Document Bureaucracy -- 3.1.1. Actions -- 3.1.2. Memory -- 3.2. Identity -- 3.2.1 The Memory of Art.