1. E. Husserl, Logical Investigations, First Volume: Prolegomena to Pure Logic,trans!. by J. N. Findlay, London and Henley: Routledge & Kegan Paul 1970 (Logische Untersuchungen I,Husserliana XVIII, Den Haag: Martinus Nijhoff, 1975). Quotes without further indications are from Findlay’s translation of the Prolegomena; the German pagination is given in brackets. In certain cases our translation of Husserl’s text differs from Findlay’s. In this case, D. CAIRNS’ Guide for Translating Husserl (Dordrecht/Boston/London: Kluwer 1975, Phaenomenologica 55) has been consulted.
2. E. Husserl, Logical Investigations, Second Volume, trans. by J.N. Findlay, London and Henley: Routledge & Kegan Paul 1970 (Logische Untersuchungen II, Husserliana XIX/I-2, Den Haag: Martinus Nijhoff, 1984 ).
3. D. Willard, Logic and the Objectivity of Knowledge. A Study in Husserl’s Early Philosophy, Athens: Ohio University Press, 1984.