1. E. HUSSERL, The Idea of Phenomenology,trans. L. Hardy, Boston: Kluwer Academic Publishers, 1999, 20‒21. All page references to the Logical Investigations are to the English translation: E. HUSSERL, Logical Investigations,trans. J. N. Findlay, New York: Humanities Press, 1970, abbreviated as LI.
2. E. HUSSERL, Ideas I, trans. W. R. Boyce Gibson, London: George Allen liuya Unwin LTD, 1931, 19.
3. H. SPIEGELBERG, The Phenomenological Movement,2nd edition, two volumes, The Hague: Martins Nijhoff, 1969,1/123.
4. A. N. WHITEHEAD, Science and the Modern World, New York: Mentor Books, 1956, 55–56.
5. SARTRE, “Intentionality: a Fundamental Idea of Husserl’s Phenomenology,” trans. J. Fell, The Journal of the British Society for Phenomenology 1, 1970, 4–5.