Contents -- Preface -- Part I: Kant -- Note to Part I -- 1. The Transcendental Aesthetic -- 2. Arithmetic and the Categories -- 3. Remarks on Pure Natural Science -- 4. Two Studies in the Reception of Kant's Philosophy of Arithmetic -- Postscript to Part I -- Part II: Frege and Phenomenology -- 5. Some Remarks on Frege's Conception of Extension -- Postscript to Essay 5 -- 6. Frege's Correspondence -- Postscript to Essay 6 -- 7. Brentano on Judgment and Truth -- 8. Husserl and the Linguistic Turn -- Bibliography -- Copyright Acknowledgments -- Index.