Frontmatter -- TABLE OF CONTENTS -- 1. THE INTRODUCTION OF PRESUPPOSITIONS -- 2. THE EXTENSION OF PRESUPPOSITIONS -- 3. THE TRUTH CONDITION ACCOUNT -- 4. THE PRAGMATIC ACCOUNT -- 5. THE CONCEPTUAL ACCOUNT -- 6. SPEECH ACTS AND PRESUPPOSITIONS: (1) THE BASIS OF A THEORY -- 7. SPEECH ACTS AND PRESUPPOSITIONS: (2) THE EXTENSION OF A THEORY -- 8. SPEECH ACTS AND PRESUPPOSITIONS: (3) OBJECTIONS CONSIDERED -- 9. CONCLUSION - PRESUPPOSITION IN SEMANTICS AND SYNTAX -- REFERENCES -- INDEX