Chapter 1. Introduction.- Chapter 2. The Foundations of Fabri's Modal Logic.- Chapter 3. Fabri's Logic of Composite Modals.- Chapter 4. Model-theoretic Reconstruction of Fabri's Logic of Composite Modals.- Chapter 5. Fabri's Logic of Composite Modals in its Historical Context.- Chapter 6. Fabri's Logic of Divided Modals.- Chapter 7. Fabri's Logic of Divided Modals in its Historical Context.- Chapter 8. Conclusion.- Appendix I: Transcription of...