Part I. The Landscape of Formal Semantics: 1. Formal semantics Barbara H. Partee; 2. Lexical semantics James Pustejovsky; 3. Sentential semantics Peter Pagin; 4. Discourse semantics Nicholas Asher; 5. Semantics of dialogue Jonathan Ginzburg; Part II. Theory of Reference and Quantification: 6. Reference Paul J. E. Dekker and Thomas Ede Zimmermann; 7. Generalized quantifiers Dag Westerståhl; 8. Indefinites Adrian Brasoveanu and Donka F. Farkas; 9. Plurality Rick Nouwen; 10. Genericity Ariel Cohen; Part III. Temporal and Aspectual Ontology and Other Semantic Structures: 11. Tense Atle Grønn and Arnim von Stechow; 12. Aspect Susan Rothstein; 13. Mereology Lucas Champollion and Manfred Krifka; 14. Vagueness Hans Kamp and Galit W. Sassoon; 15. Modification Louise McNally; Part IV. Intensionality and Force: 16. Negation Henriëtte de Swart; 17. Conditionals Paul Egré and Mikaël Cozic; 18. Modality Lisa Matthewson; 19. Questions Paul Dekker, Maria Aloni and Jeroen Groenendijk; 20. Imperatives Paul Portner; Part V. The Interfaces: 21. The syntax-semantics interface Manfred Sailer; 22. The semantics-pragmatics interface Philippe Schlenker; 23. Information structure Enric Vallduví; 24. Semantics and cognition Giosuè Baggio, Keith Stenning and Michiel van Lambalgen; 25. Semantics and computation Matthew Stone.