Jaakko Hintikka is the author or co-author of thirty volumes and of some 300 scholarly articles in mathematical and philosophical logic, epistemology, language theory, philosophy of science, history of ideas and history of philosophy, including Aristotle, Descartes, Leibniz, Kant, Peirce, The Bloomsbury Group, Husserl and Wittgenstein. He has also been active in international scholarly organizations, most recently as the First Vice-President of FISP, Vice-President of IIP and Co-Chair of the American Organizing Committee of the Twentieth World Congress of Philosophy. He has been Editor-in-Chief of the International Journal Synthese and the Managing Editor of Synthese Library since 1965.

• 1. Different Constructions in Terms of the Basic Epistemological Verbs: A Survey of Some Problems and Proposals.- 2. The Semantics of Modal Notions and the Indeterminacy of Ontology.- 3. Objects of Knowledge and Belief: Acquaintances and Public Figures.- 4. Information, Causality, and the Logic of Perception.- 5. Carnap’s Heritage in Logical Semantics.- 6. Quine on Quantifying in: A Dialogue.- 7. Answers to Questions.- 8. Grammar and Logic: Some Borderline Problems.- 9. Knowledge, Belief, and Logical Consequence.- 10. The Intentions of Intentionality.- 11. Concept as Vision: On the Problem of Representation in Modern Art and in Modern Philosophy.- Index of Names.- Index of Subjects.

Jaakko Hintikka is the author or co-author of thirty volumes and of some 300 scholarly articles in mathematical and philosophical logic, epistemology, language theory, philosophy of science, history of ideas and history of philosophy, including Aristotle, Descartes, Leibniz, Kant, Peirce, The Bloomsbury Group, Husserl and Wittgenstein. He has also been active in international scholarly organizations, most recently as the First Vice-President of FISP, Vice-President of IIP and Co-Chair of the American Organizing Committee of the Twentieth World Congress of Philosophy. He has been Editor-in-Chief of the International Journal Synthese and the Managing Editor of Synthese Library since 1965.

• 1. Different Constructions in Terms of the Basic Epistemological Verbs: A Survey of Some Problems and Proposals.- 2. The Semantics of Modal Notions and the Indeterminacy of Ontology.- 3. Objects of Knowledge and Belief: Acquaintances and Public Figures.- 4. Information, Causality, and the Logic of Perception.- 5. Carnap’s Heritage in Logical Semantics.- 6. Quine on Quantifying in: A Dialogue.- 7. Answers to Questions.- 8. Grammar and Logic: Some Borderline Problems.- 9. Knowledge, Belief, and Logical Consequence.- 10. The Intentions of Intentionality.- 11. Concept as Vision: On the Problem of Representation in Modern Art and in Modern Philosophy.- Index of Names.- Index of Subjects.