I / Analysis of Thought.- II / Expression and Its Functions.- III / Thinking and Meaning.- IV / Husserl's Philosophy of Language.- V / Certain Associated Problems.- A. On 'Occasional Expressions'.- B. On Non-extensional Expressions.- C. Dependent and Independent, Complete and Incomplete Meanings.- D. The Concept of Name.- VI / Formal Logic.- VII / Back to Experience.- Bibliographical references.- Index of proper names.- General index.