1. The Nature of Logic and the Concept of the Logic of Norms.- 2. Once More: Is and Ought. The action-theoretical approach.- 3. Practical Rationality.- 4. Design of an Alternative Action Theory.- 5. Fundamental Concepts and Theses of the Formal-Finalistic Action Theory.- 6. On the Idea of Practical Inference. Simultaneously a study on the relationship between mental operations and actions.- 7. From Deontic Logic to the Genuine Logic of Norms.- 8. Is Willing Liberum Arbitrium?.- 9. Action and Institution.- 10. The Democracy Problem from a Neo-Institutionalistic Point of View.- Appendix: Homage to Georg Henrik von Wright.- 1. Philosophical analysis and philosophical cognition.- 2. Countertheses against Wittgenstein’s metaphilosophy.- 3. Does philosophy deal with linguistic problems or with material ones?.- 4. The source of philosophical argumentation.- 5. Are there genuine philosophical problems?.- 6. Concluding remark.- Appendix (written in 1995).- Index of Proper Names.- Index of Subjects.