The primary intent of this volume is to give the English reader access to all the philosophical texts published by Husserl between the appearance of his first book, Philosophie der Arithmetik, and that of his second book, Logische Untersuchungen- roughly, from 1890 through 1901. Along with these texts we have included a number of unpublished manuscripts from the same period and dealing with the same or closely related topics. A few of the texts here translated (the review of Pahigyi, the five "report" articles of 1903-1904, the "notes" in Lalande's Vocabulaire, and the brief discussion. article on Marty of 1910) obviously fall outside this time period, so far as their publication dates are concerned; but in content they seem clearly confined to it. The final piece translated, a set of personal notes that date from 1906 through 1908, provides insight into how Husserl experienced his early labors and their results, and into how he saw their relation to work before him: a phenomenological critique of reason in all of its forms. Thus the texts here translated - which obviously are to be read in conjunction with his first two books - cover the progression of Husserl's Problematik from the relatively narrow one of clarifying the epistemic structure of general arithmetic, to the all-encompassing one of establishing in principle, through phenomenological research, the line between legitimate and illegitimate claims to know or to be rational, regardless of the domain concerned.

Translator''s Introduction. 1. The Concept of General Arithmetic. 2. Arithmetic as an A Priori Science. 3. Letter from E. Husserl to Carl Stumpf. 4. On the Logic of Signs (Semiotic). 5. Review of Ernst Schröder''s Vorlesungen über die Algebra der Logik. 6. The Deductive Calculus and the Logic of Contents. 7. Addenda: the Deductive Calculus and the Logic of Contents. 8. A. Voigt''s Elemental Logic'', in relation to my Statements on the Logic of the Logical Calculus. 9. Concerning the Calculus of the Logic of Contents: Rejoinder to Mr. Husserl''s Article (by A. Voigt). 10. Husserl''s Reply to the Foregoing Rejoinder''. 11. Psychological Studies in the Elements of Logic.12. Report on German Writings in Logic from the Year 1894. 13. Review of Melchior Palagyi''s Der Streit der Psychologisten und Formalisten in der modernen Logik. 14. Report on German Writings in Logic: from the Years 1895-1899. 15. Comments in Lalande, Vocabulaire technique et critique de la philosophie. 16. Review of A. Marty, Untersuchungen zur Grundlegung der allgemeinen Grammatik und Sprachphilosophie. 17. Intuition and Repräsentation, Intention and Fulfilment. 18. Intentional Objects. 19. Discussion of K. Twardowski, Zur Lehre vom Inhalt und Gegenstand der Vorstellungen. 20. Discussion of H. Cornelius, Versuch einer Gheorie der Existentialurteile. 21. Appendices to Husserliana XXII. 22. Personal Notes''. Index.