Edmund Husserl

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Edmund Husserl
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Freiburg, Nazi Germany>GermanyLeipzig University(1876–78)Humboldt University of Berlin>University of Berlin(1878–81)University of Vienna(1881–83, 1884–86: PhD, 1883)University of Halle(1886–87: Dr. phil. hab., 1887)Martin Luther University of Halle-Wittenberg>University of HalleUniversity of GöttingenUniversity of FreiburgContinental philosophyPhenomenology (philosophy)>PhenomenologyTranscendental constitutive phenomenology (1910s)HTTPS://WWW.REP.ROUTLEDGE.COM/ARTICLES/PHENOMENOLOGICAL-MOVEMENT/CONSTITUTIVE-PHENOMENOLOGY>TITLE=SEARCH - ROUTLEDGE ENCYCLOPEDIA OF PHILOSOPHYGenetic phenomenology (1920s–30s)Logical objectivismPenelope Rush, "Logical Realism", in: Penelope Rush (ed.), The Metaphysics of Logic, Cambridge University Press, 2014, pp. 13–31.{{rp>13–31}}Austrian realism (Logical Investigations (Husserl))Gestalt Theory: Official Journal of the Society for Gestalt Theory and Its Applications (GTA), 22, Steinkopff, 2000, p. 94: "Attention has varied between Continental Phenomenology (late Husserl, Merleau-Ponty) and Austrian Realism (Brentano, Meinong, Benussi, early Husserl)".Mark Textor, The Austrian Contribution to Analytic Philosophy, Routledge, 2006, pp. 170–1:"[Husserl argues in the Logical Investigations that the rightness of a judgement or proposition] shows itself in our experience of self-evidence (Evidenz), which term Husserl takes from Brentano, but makes criterial not of truth per se but of our most secure awareness that things are as we take them to be, when the object of judgement, the State of affairs (philosophy)>state of affairs, is given most fully or adequately. ... In his struggle to overcome relativism, especially psychologism, Husserl stressed the objectivity of truth and its independence of the nature of those who judge it ... A proposition is true not because of some fact about a thinker but because of an objectively existing abstract proposition's relation to something that is not a proposition, namely a state of affairs."FoundationalismBarry Smith and David Woodruff Smith, eds., The Cambridge Companion to Husserl, Cambridge University Press, p. 292.Indirect realismRobin D. Rollinger, Husserl's Position in the School of Brentano, Phaenomenologica 150, Dordrecht: Kluwer, 1999, p. 224 n. 1.Correspondence theory of truthJ. N. Mohanty (ed.), Readings on Edmund Husserl’s Logical Investigations, Springer, 1977, p. 191.| main_interests = Epistemology, ontology, philosophy of mathematics, intersubjectivityBernard Bolzano>Bolzano, Franz Brentano, René Descartes>Descartes, David Hume, Immanuel Kant>Kant, Benno Kerry,Rollinger 1999, p. 126. Gottfried Wilhelm Leibniz>Leibniz, Hermann Lotze, Plato, Heinrich Rickert>Rickert, Carl Stumpf, Karl Weierstrass>Weierstrass, WindelbandSebastian Luft (ed.), The Neo-Kantian Reader, Routledge 2015, pp. 461–3. Phenomenology (philosophy)>phenomenology, in addition to and including Hans Blumenberg, Rudolf Carnap>Carnap, Jacques Derrida, Nader El-Bizri>El-Bizri, Marvin Farber, Eugen Fink>Fink, Shaun Gallagher, Kurt Gödel>Gödel, Martin Heidegger, Michel Henry>Henry, Roman Ingarden, Leszek Kołakowski>Kołakowski, Hans Köchler, Ludwig Landgrebe>Landgrebe, Ludwig von Mises, Emmanuel Levinas>Levinas, Gabriel Marcel, Jean-Luc Marion>Marion, Maurice Merleau-Ponty, José Ortega y Gasset>Ortega y Gasset, Jan Patočka, Erich Przywara>Przywara, Hilary Putnam,Hilary Putnam. Realism with a Human Face. Edited by James Conant. Harvard University Press. 1992. p. xlv. Adolf Reinach>Reinach, Paul Ricœur, Gilbert Ryle>Ryle,Edmund Husserl, ''Logical Investigations (Husserl)'', Volume 1, Routledge & Keegan Paul, 2001: Introduction by Dermot Moran, p. lxiv: "Husserl ... visited England in 1922 intent on establishing relations with English philosophers ... He delivered a number of lectures which were attended by Gilbert Ryle..." Jean-Paul Sartre>Sartre, Max Scheler, Alfred Schütz>Schütz, Wilfrid Sellars,James R. O'Shea Wilfrid Sellars and His Legacy, Oxford University Press, 2016, p. 4. Edith Stein>Stein, Bernard Stiegler, Leo Strauss>Strauss, Hermann Weyl, Dallas Willard>Willard, John Paul II, Dan Zahavi>Zahavi, Xavier Zubiri{{Citation>title=Conología del viaje de Einstein a Españaurl=–August 2005language=es}}Phenomenology (philosophy)>Phenomenology, epoché (also bracketing, transcendental reduction, or phenomenological reduction), eidetic reduction, natural standpoint, noema, noesis, formal ontology, theory of moments, hyletic data,Moran, D. and Cohen, J., 2012, The Husserl Dictionary. London, Continuum Press: p. 151 ("Hyletic data (hyletischen Daten)"): "In Ideas I § 85, Husserl uses the term 'hyletic data' to refer to the sensuous constituents of our intentional experiences". phenomenological reduction, retention and protention, Lebenswelt (lifeworld),pre-reflective self-consciousness,"Pre-reflective self-consciousness" is Shaun Gallagher and Dan Zahavi's term for Husserl's idea that consciousness always involves a self-appearance or self-manifestation (; E. Husserl (1959), Erste Philosophie II 1923–24, Husserliana VIII, Den Haag: Martinus Nijhoff, pp. 189, 412) and his idea that the fact that "an appropriate train of sensations or images is experienced, and is in this sense conscious, does not and cannot mean that this is the object of an act of consciousness, in the sense that a perception, a presentation or a judgment is directed upon it" (E. Husserl (1984), Logische Untersuchungen II, Husserliana XIX/1–2, Den Haag: Martinus Nijhoff, p. 165; English translation: Logical Investigations I, translated by J. N. Findlay, London: Routledge, 2001, p. 273). See "Phenomenological Approaches to Self-Consciousness", Stanford Encyclopedia of Philosophy. Transcendental idealism>transcendental subjectivism, criticism of "Physicalism Philosophical realism>objectivism,"{{Citation title= The Cambridge Companion to Husserl weblink >publisher= Cambridge University Press year= 1995 pages= 301–2}} retention and protention, Nachgewahren, Urdoxa, phenomenological description, mereology| thesis1_title = Beiträge zur Variationsrechnung (Contributions to the Calculus of Variations)| thesis1_url =weblink| thesis1_year = 1883| thesis2_title = Über den Begriff der Zahl (On the Concept of Number)| thesis2_url =weblink| thesis2_year = 1887| doctoral_advisor = Leo Königsberger (PhD advisor)Carl Stumpf (Dr. phil. hab. advisor)}}Edmund Gustav Albrecht Husserl ({{IPAc-en|ˈ|h|ʊ|s|ɜːr|l}} {{respell|HUUSS|url}},WEB,weblink Husserl, Collins English Dictionary, HarperCollins, 24 August 2019, OXFORD DICTIONARIES, Husserl, 24 August 2019, also {{IPAc-en|US|ˈ|h|uː|s|ɜːr|l|,_|ˈ|h|ʊ|s|ər|əl}} {{respell|HOO|surl|,_|HUUSS|ər|əl}},AMERICAN HERITAGE DICTIONARY, Husserl, 24 August 2019, MERRIAM-WEBSTER, Husserl, 24 August 2019, {{IPA-de|ˈʔɛtmʊnt ˈhʊsɐl|lang}};BOOK, Krech, Eva-Maria, Stock, Eberhard, Hirschfeld, Ursula, Anders, Lutz Christian, Deutsches Aussprachewörterbuch, German Pronunciation Dictionary, German, 2009, Walter de Gruyter, Berlin, 978-3-11-018202-6, 465, 598, 8 April 1859 – 27 April 1938)Smith, D.W. (2007). Husserl. pp xiv was a GermanBOOK, Inwood, M. J., Honderich, Ted, The Oxford Companion to Philosophy, Oxford University Press, Oxford, 2005, 408, 0-19-926479-1, BOOK, Solomon, Robert C., Audi, Robert, The Cambridge Dictionary of Philosophy, Cambridge University Press, Cambridge, 1999, 403, 0-521-63722-8, philosopher who established the school of phenomenology. In his early work, he elaborated critiques of historicism and of psychologism in logic based on analyses of intentionality. In his mature work, he sought to develop a systematic foundational science based on the so-called phenomenological reduction. Arguing that transcendental consciousness sets the limits of all possible knowledge, Husserl redefined phenomenology as a transcendental-idealist philosophy. Husserl's thought profoundly influenced the landscape of 20th-century philosophy, and he remains a notable figure in contemporary philosophy and beyond.Husserl studied mathematics under the tutelage of Karl Weierstrass and Leo Königsberger, and philosophy under Franz Brentano and Carl Stumpf.Cooper-Wiele, J. K., The Totalizing Act: Key to Husserl’s Early Philosophy (Dordrecht: Kluwer Academic Publishers, 1989). He taught philosophy as a Privatdozent at Halle from 1887, then as professor, first at Göttingen from 1901, then at Freiburg from 1916 until he retired in 1928, after which he remained highly productive. Following an illness, he died in Freiburg in 1938.Kockelmans, J. K., Phenomenology and the Natural Sciences: Essays and Translations (Evanston: Northwestern University Press, 1970), p. 3.

Life and career

Youth and education

Husserl was born in 1859 in Prostějov, a town in the Margraviate of Moravia, which was then in the Austrian Empire, and which today is Prostějov in the Czech Republic. He was born into a Jewish family, the second of four children (boy, boy, girl, boy). His father was a milliner. His childhood was spent in Prostějov, where he attended the secular elementary school. Then Husserl traveled to Vienna to study at the Realgymnasium there, followed next by the Staatsgymnasium in Olomouc (Ger.: Olmütz).Joseph J. Kockelmans, "Biographical Note" per Edmund Husserl, at 17–20, in his edited Phenomenology. The Philosophy of Edmund Husserl and Its Interpretation (Garden City NY: Doubleday Anchor 1967).WEB,weblink Husserl Page: Husserl's Biography in Brief,, At the University of Leipzig from 1876 to 1878, Husserl studied mathematics, physics, and astronomy. At Leipzig he was inspired by philosophy lectures given by Wilhelm Wundt, one of the founders of modern psychology. Then he moved to the Frederick William University of Berlin (the present-day Humboldt University of Berlin) in 1878 where he continued his study of mathematics under Leopold Kronecker and the renowned Karl Weierstrass. In Berlin he found a mentor in Thomas Masaryk, then a former philosophy student of Franz Brentano and later the first president of Czechoslovakia. There Husserl also attended Friedrich Paulsen's philosophy lectures. In 1881 he left for the University of Vienna to complete his mathematics studies under the supervision of Leo Königsberger (a former student of Weierstrass). At Vienna in 1883 he obtained his PhD with the work Beiträge zur Variationsrechnung (Contributions to the Calculus of Variations).Evidently as a result of his becoming familiar with the New Testament during his twenties, Husserl asked to be baptized into the Lutheran Church in 1886. Husserl's father Adolf had died in 1884. Herbert Spiegelberg writes, "While outward religious practice never entered his life any more than it did that of most academic scholars of the time, his mind remained open for the religious phenomenon as for any other genuine experience." At times Husserl saw his goal as one of moral "renewal". Although a steadfast proponent of a radical and rational autonomy in all things, Husserl could also speak "about his vocation and even about his mission under God's will to find new ways for philosophy and science," observes Spiegelberg.Spiegelberg, H. The Phenomenological Movement. A historical introduction. The Hague: Martinus Nijhoff, 2d ed. {{ISBN|9024702399}}. Vol. I, pp. 85–87. It was reported "from witnesses of Husserl's last days – that Husserl had something like a deathbed conversion." Spiegelberg (1971) at I:85.Following his PhD in mathematics, Husserl returned to Berlin to work as the assistant to Karl Weierstrass. Yet already Husserl had felt the desire to pursue philosophy. Then professor Weierstrass became very ill. Husserl became free to return to Vienna where, after serving a short military duty, he devoted his attention to philosophy. In 1884 at the University of Vienna he attended the lectures of Franz Brentano on philosophy and philosophical psychology. Brentano introduced him to the writings of Bernard Bolzano, Hermann Lotze, J. Stuart Mill, and David Hume. Husserl was so impressed by Brentano that he decided to dedicate his life to philosophy; indeed, Franz Brentano is often credited as being his most important influence, e.g., with regard to intentionality.Spiegelberg, H., The Context of the Phenomenological Movement (Berlin/Heidelberg: Springer Science+Business Media, 1981), p. 134. Following academic advice, two years later in 1886 Husserl followed Carl Stumpf, a former student of Brentano, to the University of Halle, seeking to obtain his habilitation which would qualify him to teach at the university level. There, under Stumpf's supervision, he wrote Über den Begriff der Zahl (On the Concept of Number) in 1887, which would serve later as the basis for his first important work, Philosophie der Arithmetik (1891).Kockelmans, "Biographical Note" per Edmund Husserl, 17–20, at 17–18, in his edited Phenomenology (Doubleday Anchor 1967). 'Husserl's 'Philosophie der Arithmetik'' is further discussed here below.In 1887 Husserl married Malvine Steinschneider, a union that would last over fifty years. In 1892 their daughter Elizabeth was born, in 1893 their son Gerhart, and in 1894 their son Wolfgang. Elizabeth would marry in 1922, and Gerhart in 1923; Wolfgang, however, became a casualty of the First World War. Gerhart would become a philosopher of law, contributing to the subject of comparative law, teaching in the United States and after the war in Austria.WEB, Gerhart Husserl; by H. Pallard and R. Hudson,weblink 7 February 2005,weblink" title="">weblink

Professor of philosophy

(File:Edmund Husserl 1900.jpg|thumb|Edmund Husserl c. 1900)Following his marriage Husserl began his long teaching career in philosophy. He started when he was in 1887 as a Privatdozent at the University of Halle. In 1891 he published his Philosophie der Arithmetik. Psychologische und logische Untersuchungen which, drawing on his prior studies in mathematics and philosophy, proposed a psychological context as the basis of mathematics. It drew the adverse notice of Gottlob Frege, who criticized its psychologism.Cf., "Illustrative extracts from Frege's Review of Husserl's Philosophie der Arithmetik", translated by P.T.Geach, at 79–85, in Peter Geach and Max Black, editors, Translations from the Philosophical Writings of Gottlob Frege (Oxford: Basil Blackwell 1977).Edmund Husserl. Stanford Encyclopedia of Philosophy: What the exact impact this criticism by Frege may have had on Husserl's subsequent positions is the subject of debate. See below herein the section "Husserl and the Critique of Psychologism" and the subsection "Philosophy of Logic and Mathematics".In 1901 Husserl with his family moved to the University of Göttingen, where he taught as extraordinarius professor. Just prior to this a major work of his, Logische Untersuchungen (Halle, 1900–1901), was published. Volume One contains seasoned reflections on "pure logic" in which he carefully refutes "psychologism".Husserl's Logische, in its disentangling of psychology from logic, also served as preparation for the later development of his work in phenomenological reduction. Marvin Farber, "Husserl and Philosophical Radicalism. The ideas of a presuppositionless philosophy" 37–57 at 47–48, in Kockelmans, ed., Phenomenology (1967).Cf., Paul Ricœur, Husserl. An Analysis of His Phenomenology (Northwestern University 1967) at 29–30. Ricœur traces Husserl's development from the Logische Untersuchungen to his later Ideen (1913), as leading from the psychological to the transcendental, regarding the intuition of essences (which the methodology of the phenomenological reduction allows). The book Husserl contains translations of Ricœur's essays of 1949–1967. This work was well received and became the subject of a seminar given by Wilhelm Dilthey; Husserl in 1905 traveled to Berlin to visit Dilthey. Two years later in Italy he paid a visit to Franz Brentano his inspiring old teacher and to Constantin Carathéodory the mathematician. Kant and Descartes were also now influencing his thought. In 1910 he became joint editor of the journal Logos. During this period Husserl had delivered lectures on internal time consciousness, which several decades later his former student Heidegger edited for publication.Husserl, Vorlesungen zur Phänomenologie des inneren Zeitbewusstseins (1928), translated as The Phenomenology of Internal Time Consciousness (Indiana University 1964).In 1912 at Freiburg the journal Jahrbuch für Philosophie und Phänomenologische Forschung ("Yearbook for Philosophy and Phenomenological Research") was founded by Husserl and his school, and which published articles of their phenomenological movement from 1913 to 1930. His important work IdeenHusserl, Ideen au einer reinen Phänomenologie und phänomenologischen Philosophie (1913), translated as Ideas. General Introduction to Pure Phenomenology (New York: Macmillan 1931; reprint Collier), with "Author's Preface to the English Edition" at 5–22. Therein, Husserl in 1931 refers to "Transcendental Subjectivity" being "a new field of experience" opened as a result of practicing phenomenological reduction, and giving rise to an a priori science not empirically based but somewhat similar to mathematics. By such practice the individual becomes the "transcendental Ego", although Husserl acknowledges the problem of solipsism. Later he emphasizes "the necessary stressing of the difference between transcendental and psychological subjectivity, the repeated declaration that transcendental phenomenology is not in any sense psychology... " but rather (in contrast to naturalistic psychology) by the phenomenological reduction "the life of the soul is made intelligible in its most intimate and originally instuitional essence" and whereby "objects of the most varied grades right up to the level of the objective world are there for the Ego... ." Ibid. at 5–7, 11–12, 18. was published in its first issue. Before beginning Ideen Husserl's thought had reached the stage where "each subject is 'presented' to itself, and to each all others are 'presentiated' (Vergegenwärtigung), not as parts of nature but as pure consciousness."Ricoeur, Paul (1967). Husserl. An Analysis of His Phenomenology. p. 33. In his "Ideen period" (1911–1925) Husserl also produced two unpublished manuscripts later referred to as Ideen II and Ideen III. Ricœur (1967) at 35. Ideen advanced his transition to a "transcendental interpretation" of phenomenology, a view later criticized by, among others, Jean-Paul Sartre.Jean-Paul Sartre, "La Transcendance de L'Ego. Esquisse d'une description phénoménologique" in Recherches Philosophiques, VI (1937), translated as The Transcendence of the Ego. An existentialist theory of consciousness (New York: The Noonday Press 1957). Sartre's "disagreement with Husserl seems to have facilitated the transition from phenomenology to the existentialist doctrines of L'Être et le Néant [1943]." F. Williams and R. Kirkpatrick, "Translator's introduction" 11–27, at 12, to Transcendence of the Ego (1957). In Ideen Paul Ricœur sees the development of Husserl's thought as leading "from the psychological cogito to the transcendental cogito." As phenomenology further evolves, it leads (when viewed from another vantage point in Husserl's 'labyrinth') to "transcendental subjectivity".Ricoeur, Paul (1967). Husserl. An Analysis of His Phenomenology. Northwestern University. pp. 29, 30; cf., 177–178. Also in Ideen Husserl explicitly elaborates the eidetic and phenomenological reductions.Husserl, Ideen (1913), translated as Ideas (1931), e.g., at 161–165.Ricoeur, Husserl (1967) at 25–27. Ideen does not address the problem of solipsism. Ricœur (1967) at 31. In 1913 Karl Jaspers visited Husserl at Göttingen.In October 1914 both his sons were sent to fight on the Western Front of World War I and the following year one of them, Wolfgang Husserl, was badly injured. On 8 March 1916, on the battlefield of Verdun, Wolfgang was killed in action. The next year his other son Gerhart Husserl was wounded in the war but survived. His own mother Julia died. In November 1917 one of his outstanding students and later a noted philosophy professor in his own right, Adolf Reinach, was killed in the war while serving in Flanders.Husserl had transferred in 1916 to the Albert Ludwigs University of Freiburg (Freiburg im Breisgau) where he continued bringing his work in philosophy to fruition, now as a full professor.Peter Koestenbaum, "Introductory Essay" ix–lxxvii, at lxxv, in Husserl, The Paris Lectures (The Hague: Martinus Nijhoff, 2d ed. 1967). Edith Stein served as his personal assistant during his first few years in Freiburg, followed later by Martin Heidegger from 1920 to 1923. The mathematician Hermann Weyl began corresponding with him in 1918. Husserl gave four lectures on Phenomenological method at University College, London in 1922. The University of Berlin in 1923 called on him to relocate there, but he declined the offer. In 1926 Heidegger dedicated his book Sein und Zeit (Being and Time) to him "in grateful respect and friendship."In the 1962 translation Being and Time by Macquarrie and Robinson, Heidegger states: "Dedicated to Edmund Husserl in friendship and admiration. Todnauberg in Baden, Black Forest, 8 April 1926". Husserl remained in his professorship at Freiburg until he requested retirement, teaching his last class on 25 July 1928. A Festschrift to celebrate his seventieth birthday was presented to him on 8 April 1929.Despite retirement, Husserl gave several notable lectures. The first, at Paris in 1929,Edmund Husserl, Pariser Vorträge [1929], translated as The Paris Lectures (The Hague: Martinus Nijhoff, 2d ed. 1967), by Peter Koestenbaum, with an "Introductory Essay" at ix–lxxvii. led to Méditations cartésiennes (Paris 1931).This work was published first in French. Husserl, Méditations cartésiennes (Paris: Armand Colin 1931), translated by Gabrielle Peiffer and Emmanuel Levinas. A German edition Cartesianische Meditationen (which Husserl had reworked) came out in 1950. Husserl here reviews the epoché or transcendental reduction, presented earlier in his pivotal Ideen (1913), in terms of a further reduction of experience to what he calls a 'sphere of ownness.' From within this sphere, which Husserl enacts in order to show the impossibility of solipsism, the transcendental ego finds itself always already paired with the lived body of another ego, another monad. This 'a priori' interconnection of bodies, given in perception, is what founds the interconnection of consciousnesses known as transcendental intersubjectivity, which Husserl would go on to describe at length in volumes of unpublished writings. There has been a debate over whether or not Husserl's description of ownness and its movement into intersubjectivity is sufficient to reject the charge of solipsism, to which Descartes, for example, was subject. One argument against Husserl's description works this way: instead of infinity and the Deity being the ego's gateway to the Other, as in Descartes, Husserl's ego in the Cartesian Meditations itself becomes transcendent. It remains, however, alone (unconnected). Only the ego's grasp "by analogy" of the Other (e.g., by conjectural reciprocity) allows the possibility for an 'objective' intersubjectivity, and hence for community.Ricoeur, Paul (1967). Husserl. An Analysis of His Phenomenology. Northwestern University. pp. 82–85, 115–116, 123–142. Ricoeur wonders whether here Husserl does not "square the circle" regarding the issue of solipsism.In 1933, the racial laws of the new Nazi regime were enacted. On 6 April Husserl was suspended from the University of Freiburg by the Badische Ministry of Culture; the following week he was disallowed any university activities. Yet his colleague Heidegger was elected Rector of the university on 21–22 April, and joined the Nazi Party. By contrast, in July Husserl resigned from the Deutsche Academie.File:Kiepenheuer Institut Freiburg.JPG|thumb|right|250px|The Kiepenheuer Institute for Solar PhysicsKiepenheuer Institute for Solar PhysicsLater Husserl lectured at Prague in 1935 and Vienna in 1936, which resulted in a very differently styled work that, while innovative, is no less problematic: Die Krisis (Belgrade 1936).Husserl, Die Krisis der europäischen Wissenschaften un die transzendentale Phänomenologie (Belgrade 1936). "As a Jew who was denied any public platform in Germany, Husserl had to publish, as he had lectured, outside his own country." Philosophia in Belgrade began its publication. David Carr, "Translator's Introduction" xv–xliii, at xvii, to Edmund Husserl, The Crisis of European Sciences and Transcendental Phenomenology (Northwestern University 1970).Quentin Lauer, "Introduction" 1–68, at 6–7, in Edumund Husserl, Phenomenology and the Crisis of Philosophy (New York: Harper & Row/Torchbook 1965); translated are two works by Husserl: the 1935 Prague lecture "Philosophy and the Crisis of European Man" [Philosophie und die Krisis der europäischen Menschentums], and the 1911 essay "Philosophy as Rigorous Science" [Philosophie als strenge Wissenschaft]. Husserl describes here the cultural crisis gripping Europe, then approaches a philosophy of history, discussing Galileo, Descartes, several British philosophers, and Kant. The apolitical Husserl before had specifically avoided such historical discussions, pointedly preferring to go directly to an investigation of consciousness. Merleau-Ponty and others question whether Husserl here does not undercut his own position, in that Husserl had attacked in principle historicism, while specifically designing his phenomenology to be rigorous enough to transcend the limits of history. On the contrary, Husserl may be indicating here that historical traditions are merely features given to the pure ego's intuition, like any other.Carr, David (1970) "Translator's Introduction" xv–xliii, at xxx–xxxi, xxxiv–xxxv, xxxvii–xxxviii (historicism), xxxvi–xxxvii (as given), to Husserl, The Crises of European Sciences.Ricœur, Paul (1949) "Husserl et le sens de l'histoire", as translated in his Husserl. An Analysis of His Phenomenology (1967) at pp. 143–174. A longer section follows on the "lifeworld" [Lebenswelt], one not observed by the objective logic of science, but a world seen in our subjective experience.Husserl, The Crises of European Sciences and Transcendental Phenomenology (Northwestern University 1970), e.g., at 127. Yet a problem arises similar to that dealing with 'history' above, a chicken-and-egg problem. Does the lifeworld contextualize and thus compromise the gaze of the pure ego, or does the phenomenological method nonetheless raise the ego up transcendent?Carr, David (1970) "Translator's Introduction" xv–xliii, at xxxviii–xlii, to Husserl, The Crises of European Sciences. These last writings presented the fruits of his professional life. Since his university retirement Husserl had "worked at a tremendous pace, producing several major works."After suffering a fall the autumn of 1937, the philosopher became ill with pleurisy. Edmund Husserl died at Freiburg on 27 April 1938, having just turned 79. His wife Malvine survived him. Eugen Fink, his research assistant, delivered his eulogy.Edmund Husserl. Stanford Encyclopedia of Philosophy Gerhard Ritter was the only Freiburg faculty member to attend the funeral, as an anti-Nazi protest.

Heidegger and the Nazi era

Husserl was incorrectly rumoured to have been denied the use of the library at Freiburg as a result of the anti-Jewish legislation of April 1933.Hugo Ott, Martin Heidegger, Unterwegs zu seiner Biographie. Campus Verlag p.168, Walter Biemel "Erinnerungsfragmente" in Erinnerung an Martin Heidegger Neske 1977 S.22 However, among other disabilities Husserl was unable to publish his works in Nazi Germany; cf. above footnote to Die Krisis (1936). It was also rumoured that his former pupil Martin Heidegger informed Husserl that he was discharged, but it was actually the previous rector.Rüdiger Safranski, Martin Heidegger: Between Good and Evil (Cambridge, Mass., & London: Harvard University Press, 1998), pp. 253–8.Apparently Husserl and Heidegger had moved apart during the 1920s, which became clearer after 1928 when Husserl retired and Heidegger succeeded to his university chair. In the summer of 1929 Husserl had studied carefully selected writings of Heidegger, coming to the conclusion that on several of their key positions they differed: e.g., Heidegger substituted Dasein ["Being-there"] for the pure ego, thus transforming phenomenology into an anthropology, a type of psychologism strongly disfavored by Husserl. Such observations of Heidegger, along with a critique of Max Scheler, were put into a lecture Husserl gave to various Kant Societies in Frankfurt, Berlin, and Halle during 1931 entitled Phänomenologie und Anthropologie.Spiegelberg, Herbert (1971). The Phenomenological Movement. A historical introduction. The Hague: Martinus Nijhoff, 2d ed. {{ISBN|9024702399}}. Vol. I. pp. 281–283. "Around this time, Husserl also began to refer to Heidegger and Scheler as his philosophical antipodes." Spiegelberg (1970) at p. 283.Husserl, Edmund (1997). Psychological and Transcendental Phenomenology and the Confrontation with Heidegger (1927–1931), translated by T. Sheehan and R. Palmer. Dordrecht: Kluwer. {{ISBN|0792344812}}, which contains his "Phänomenologie und Anthropologie" at pp. 485–500.In the war-time 1941 edition of Heidegger's primary work, Being and Time (Sein und Zeit, first published in 1927), the original dedication to Husserl was removed. This was not due to a negation of the relationship between the two philosophers, however, but rather was the result of a suggested censorship by Heidegger's publisher who feared that the book might otherwise be banned by the Nazi regime."Nur noch ein Gott kann uns retten". Der Spiegel, 31 May 1967. The dedication can still be found in a footnote on page 38, thanking Husserl for his guidance and generosity. Husserl, of course, had died three years earlier. In post-war editions of Sein und Zeit the dedication to Husserl is restored. The complex, troubled, and sundered philosophical relationship between Husserl and Heidegger has been widely discussed.Husserl is mentioned by Bernard Stiegler in the 2004 film The Ister.On 4 May 1933, Professor Edmund Husserl addressed the recent regime change in Germany and its consequences:The future alone will judge which was the true Germany in 1933, and who were the true Germans—those who subscribe to the more or less materialistic-mythical racial prejudices of the day, or those Germans pure in heart and mind, heirs to the great Germans of the past whose tradition they revere and perpetuate.Richard Evans, The Coming of the Third Reich (Penguin 2003), p. 421.After his death, Husserl's manuscripts, amounting to approximately 40,000 pages of "Gabelsberger" stenography and his complete research library, were in 1939 smuggled to Belgium by the Franciscan priest Herman Van Breda. There they were deposited at Leuven to form the Husserl-Archives of the Higher Institute of Philosophy.Cf., Peter Koestenbaum, "Introductory Essay" ix–lxxvii, at lxxv–lxxvi, in his edited Edmund Husserl, The Paris Lectures (The Hague: Martinus Nijhoff, 2d ed. 1967). His widow Malvine Husserl was instrumental in this rescue project; she became a convert to Catholicism in 1941. Much of the material in his research manuscripts has since been published in the Husserliana critical edition series.Kockelmans, "The Husserl-Archives", at 20–21, in his edited Phenomenology (Doubleday Anchor 1967).

Development of his thought

Several early themes

In his first works Husserl tries to combine mathematics, psychology and philosophy with a main goal to provide a sound foundation for mathematics. He analyzes the psychological process needed to obtain the concept of number and then tries to build up a systematical theory on this analysis. To achieve this he uses several methods and concepts taken from his teachers. From Weierstrass he derives the idea that we generate the concept of number by counting a certain collection of objects.From Brentano and Stumpf he takes over the distinction between proper and improper presenting. In an example Husserl explains this in the following way: if you are standing in front of a house, you have a proper, direct presentation of that house, but if you are looking for it and ask for directions, then these directions (e.g. the house on the corner of this and that street) are an indirect, improper presentation. In other words, you can have a proper presentation of an object if it is actually present, and an improper (or symbolic, as he also calls it) one if you only can indicate that object through signs, symbols, etc. Husserl's Logical Investigations (1900–1901) is considered the starting point for the formal theory of wholes and their parts known as mereology.{{citation| first=Peter | last=Simons | author-link=Peter Simons (professor) | title=Parts: A Study in Ontology | publisher=Oxford University Press }}Another important element that Husserl took over from Brentano is intentionality, the notion that the main characteristic of consciousness is that it is always intentional. While often simplistically summarised as "aboutness" or the relationship between mental acts and the external world, Brentano defined it as the main characteristic of mental phenomena, by which they could be distinguished from physical phenomena. Every mental phenomenon, every psychological act, has a content, is directed at an object (the intentional object). Every belief, desire, etc. has an object that it is about: the believed, the wanted. Brentano used the expression "intentional inexistence" to indicate the status of the objects of thought in the mind. The property of being intentional, of having an intentional object, was the key feature to distinguish mental phenomena and physical phenomena, because physical phenomena lack intentionality altogether.Chisholm, Roderick M. (1967). "Intentionality". The Encyclopedia of Philosophy. 4: 201.

The elaboration of phenomenology

Some years after the 1900–1901 publication of his main work, the Logische Untersuchungen (Logical Investigations), Husserl made some key conceptual elaborations which led him to assert that in order to study the structure of consciousness, one would have to distinguish between the act of consciousnessde Warren, N., Husserl and the Promise of Time: Subjectivity in Transcendental Phenomenology (Cambridge: Cambridge University Press, 2009), p. 79. and the phenomena at which it is directed (the objects as intended). Knowledge of essences would only be possible by "bracketing" all assumptions about the existence of an external world. This procedure he called epoché. These new concepts prompted the publication of the Ideen (Ideas) in 1913, in which they were at first incorporated, and a plan for a second edition of the Logische Untersuchungen.From the Ideen onward, Husserl concentrated on the ideal, essential structures of consciousness. The metaphysical problem of establishing the reality of what we perceive, as distinct from the perceiving subject, was of little interest to Husserl in spite of his being a transcendental idealist. Husserl proposed that the world of objects—and of ways in which we direct ourselves toward and perceive those objects—is normally conceived of in what he called the "natural standpoint", which is characterized by a belief that objects exist distinct from the perceiving subject and exhibit properties that we see as emanating from them. Husserl proposed a radical new phenomenological way of looking at objects by examining how we, in our many ways of being intentionally directed toward them, actually "constitute" them (to be distinguished from materially creating objects or objects merely being figments of the imagination); in the Phenomenological standpoint, the object ceases to be something simply "external" and ceases to be seen as providing indicators about what it is, and becomes a grouping of perceptual and functional aspects that imply one another under the idea of a particular object or "type". The notion of objects as real is not expelled by phenomenology, but "bracketed" as a way in which we regard objects{{emdash}}instead of a feature that inheres in an object's essence founded in the relation between the object and the perceiver. In order to better understand the world of appearances and objects, phenomenology attempts to identify the invariant features of how objects are perceived and pushes attributions of reality into their role as an attribution about the things we perceive (or an assumption underlying how we perceive objects). The major dividing line in Husserl's thought is the turn to transcendental idealism.BOOK, Theodorus Boer, The Development of Husserl's Thought,weblink 18 April 2013, 31 December 1978, Springer, 978-90-247-2039-2, 121, In a later period, Husserl began to wrestle with the complicated issues of intersubjectivity, specifically, how communication about an object can be assumed to refer to the same ideal entity (Cartesian Meditations, Meditation V). Husserl tries new methods of bringing his readers to understand the importance of phenomenology to scientific inquiry (and specifically to psychology) and what it means to "bracket" the natural attitude. The Crisis of the European Sciences is Husserl's unfinished work that deals most directly with these issues. In it, Husserl for the first time attempts a historical overview of the development of Western philosophy and science, emphasizing the challenges presented by their increasingly (one-sidedly) empirical and naturalistic orientation. Husserl declares that mental and spiritual reality possess their own reality independent of any physical basis,This assumption led Husserl to an idealistic position (which he originally had tried to overcome or avoid). On Husserl's phenomenological idealism see Hans Köchler, Die Subjekt-Objekt-Dialektik in der transzendentalen Phänomenologie. Das Seinsproblem zwischen Idealismus und Realismus. (Monographien zur philosophischen Forschung, Vol. 112.) Meisenheim a. G.: Anton Hain, 1974. and that a science of the mind ('(:de:Geisteswissenschaft|Geisteswissenschaft)') must be established on as scientific a foundation as the natural sciences have managed: "It is my conviction that intentional phenomenology has for the first time made spirit as spirit the field of systematic scientific experience, thus effecting a total transformation of the task of knowledge."Crisis of European Humanity, Pt. II, 1935

Husserl's thought

{{Further|Phenomenology (philosophy)}}Husserl's thought is revolutionary in several ways, most notably in the distinction between "natural" and "phenomenological" modes of understanding. In the former, sense-perception in correspondence with the material realm constitutes the known reality, and understanding is premised on the accuracy of the perception and the objective knowability of what is called the "real world".BOOK, Ralph Keen, Exile and Restoration in Jewish Thought: An Essay In Interpretation,weblink 21 December 2012, 24 November 2009, Continuum International Publishing Group, 978-0-8264-5308-2, 68, Phenomenological understanding strives to be rigorously "presuppositionless" by means of what Husserl calls "phenomenological reduction".Edmund Husserl, Ideas: General Introduction to Pure Phenomenology, tr. W. R. Boyce Gibson (New York: Macmillan, 1962) 96–103, 155–67. This reduction is not conditioned but rather transcendental: in Husserl's terms, pure consciousness of absolute Being.Husserl, Ideas 194. In Husserl's work, consciousness of any given thing calls for discerning its meaning as an "intentional object".Husserl, Ideas 242–43. Such an object does not simply strike the senses, to be interpreted or misinterpreted by mental reason; it has already been selected and grasped, grasping being an etymological connotation, of percipere, the root of "perceive".Husserl, Ideas 105–109; Mark P. Drost, 'The Primacy of Perception in Husserl's Theory of Imagining,' PPR 1 (1990) 569–82. The German begreifen, cognate with English 'grip,' carries the same sense.

Meaning and object

From Logical Investigations (1900/1901) to Experience and Judgment (published in 1939), Husserl expressed clearly the difference between meaning and object. He identified several different kinds of names. For example, there are names that have the role of properties that uniquely identify an object. Each of these names expresses a meaning and designates the same object.Burgin, M., Theory of Knowledge: Structures and Processes (Singapore: World Scientific, 2017), p. 468. Examples of this are "the victor in Jena" and "the loser in Waterloo", or "the equilateral triangle" and "the equiangular triangle"; in both cases, both names express different meanings, but designate the same object. There are names which have no meaning, but have the role of designating an object: "Aristotle", "Socrates", and so on. Finally, there are names which designate a variety of objects. These are called "universal names"; their meaning is a "concept" and refers to a series of objects (the extension of the concept). The way we know sensible objects is called "sensible intuition".Husserl also identifies a series of "formal words" which are necessary to form sentences and have no sensible (wikt:correlate#Noun|correlates). Examples of formal words are "a", "the", "more than", "over", "under", "two", "group", and so on. Every sentence must contain formal words to designate what Husserl calls "formal categories". There are two kinds of categories: meaning categories and formal-ontological categories. Meaning categories relate judgments; they include forms of conjunction, disjunction, forms of plural, among others. Formal-ontological categories relate objects and include notions such as set, cardinal number, ordinal number, part and whole, relation, and so on. The way we know these categories is through a faculty of understanding called "categorial intuition".Through sensible intuition our consciousness constitutes what Husserl calls a "situation of affairs" (Sachlage). It is a passive constitution where objects themselves are presented to us. To this situation of affairs, through categorial intuition, we are able to constitute a "state of affairs" (Sachverhalt). One situation of affairs through objective acts of consciousness (acts of constituting categorially) can serve as the basis for constituting multiple states of affairs. For example, suppose a and b are two sensible objects in a certain situation of affairs. We can use it as basis to say, "aa", two judgments which designate the same state of affairs. For Husserl a sentence has a proposition or judgment as its meaning, and refers to a state of affairs which has a situation of affairs as a reference base.Rosado Haddock, G. E., & Ortiz Hill, C., Husserl or Frege?: Meaning, Objectivity, and Mathematics (Chicago and LaSalle: Open Court, 2000), p. 35.{{rp|35}}

Philosophy of logic and mathematics

Husserl believed that truth-in-itself has as ontological correlate being-in-itself, just as meaning categories have formal-ontological categories as correlates. Logic is a formal theory of judgment, that studies the formal a priori relations among judgments using meaning categories. Mathematics, on the other hand, is formal ontology; it studies all the possible forms of being (of objects). Hence for both logic and mathematics, the different formal categories are the objects of study, not the sensible objects themselves. The problem with the psychological approach to mathematics and logic is that it fails to account for the fact that this approach is about formal categories, and not simply about abstractions from sensibility alone. The reason why we do not deal with sensible objects in mathematics is because of another faculty of understanding called "categorial abstraction." Through this faculty we are able to get rid of sensible components of judgments, and just focus on formal categories themselves.Thanks to "eidetic intuition" (or "essential intuition"), we are able to grasp the possibility, impossibility, necessity and contingency among concepts and among formal categories. Categorial intuition, along with categorial abstraction and eidetic intuition, are the basis for logical and mathematical knowledge.Husserl criticized the logicians of his day for not focusing on the relation between subjective processes that give us objective knowledge of pure logic. All subjective activities of consciousness need an ideal correlate, and objective logic (constituted noematically) as it is constituted by consciousness needs a noetic correlate (the subjective activities of consciousness).Husserl stated that logic has three strata, each further away from consciousness and psychology than those that precede it.
  • The first stratum is what Husserl called a "morphology of meanings" concerning a priori ways to relate judgments to make them meaningful. In this stratum we elaborate a "pure grammar" or a logical syntax, and he would call its rules "laws to prevent non-sense", which would be similar to what logic calls today "formation rules". Mathematics, as logic's ontological correlate, also has a similar stratum, a "morphology of formal-ontological categories".
  • The second stratum would be called by Husserl "logic of consequence" or the "logic of non-contradiction" which explores all possible forms of true judgments. He includes here syllogistic classic logic, propositional logic and that of predicates. This is a semantic stratum, and the rules of this stratum would be the "laws to avoid counter-sense" or "laws to prevent contradiction". They are very similar to today's logic "transformation rules". Mathematics also has a similar stratum which is based among others on pure theory of pluralities, and a pure theory of numbers. They provide a science of the conditions of possibility of any theory whatsoever. Husserl also talked about what he called "logic of truth" which consists of the formal laws of possible truth and its modalities, and precedes the third logical third stratum.
  • The third stratum is metalogical, what he called a "theory of all possible forms of theories." It explores all possible theories in an a priori fashion, rather than the possibility of theory in general. We could establish theories of possible relations between pure forms of theories, investigate these logical relations and the deductions from such general connection. The logician is free to see the extension of this deductive, theoretical sphere of pure logic.
The ontological correlate to the third stratum is the "theory of manifolds". In formal ontology, it is a free investigation where a mathematician can assign several meanings to several symbols, and all their possible valid deductions in a general and indeterminate manner. It is, properly speaking, the most universal mathematics of all. Through the posit of certain indeterminate objects (formal-ontological categories) as well as any combination of mathematical axioms, mathematicians can explore the apodeictic connections between them, as long as consistency is preserved.According to Husserl, this view of logic and mathematics accounted for the objectivity of a series of mathematical developments of his time, such as n-dimensional manifolds (both Euclidean and non-Euclidean), Hermann Grassmann's theory of extensions, William Rowan Hamilton's Hamiltonians, Sophus Lie's theory of transformation groups, and Cantor's set theory.Jacob Klein was one student of Husserl who pursued this line of inquiry, seeking to "desedimentize" mathematics and the mathematical sciences.See especially Klein's Greek Mathematical Thought and the Origin of Algebra (MIT Press, 1968).

Husserl and psychologism

Philosophy of arithmetic and Frege

After obtaining his PhD in mathematics, Husserl began analyzing the foundations of mathematics from a psychological point of view. In his habilitation thesis, On the Concept of Number (1886) and in his Philosophy of Arithmetic (1891), Husserl sought, by employing Brentano's descriptive psychology, to define the natural numbers in a way that advanced the methods and techniques of Karl Weierstrass, Richard Dedekind, Georg Cantor, Gottlob Frege, and other contemporary mathematicians. Later, in the first volume of his Logical Investigations, the Prolegomena of Pure Logic, Husserl, while attacking the psychologistic point of view in logic and mathematics, also appears to reject much of his early work, although the forms of psychologism analysed and refuted in the Prolegomena did not apply directly to his Philosophy of Arithmetic. Some scholars question whether Frege's negative review of the Philosophy of Arithmetic helped turn Husserl towards modern Platonism, but he had already discovered the work of Bernard Bolzano independently around 1890/91.Alfred Schramm, Meinongian Issues in Contemporary Italian Philosophy, Walter de Gruyter, 2009, p. 28. In his Logical Investigations, Husserl explicitly mentioned Bolzano, G. W. Leibniz and Hermann Lotze as inspirations for his newer position.Husserl's review of Ernst Schröder, published before Frege's landmark 1892 article, clearly distinguishes sense from reference; thus Husserl's notions of noema and object also arose independently. Likewise, in his criticism of Frege in the Philosophy of Arithmetic, Husserl remarks on the distinction between the content and the extension of a concept. Moreover, the distinction between the subjective mental act, namely the content of a concept, and the (external) object, was developed independently by Brentano and his school, and may have surfaced as early as Brentano's 1870s lectures on logic.Scholars such as J. N. Mohanty, Claire Ortiz Hill, and Guillermo E. Rosado Haddock, among others, have argued that Husserl's so-called change from psychologism to Platonism came about independently of Frege's review.Consider Jitendra Nath Mohanty, 1995, "The Development of Husserl's Thought" in Barry Smith and David Woodruff Smith, eds., The Cambridge Companion to Husserl, Cambridge University Press. For further commentaries on the review, see Willard, Dallas, 1984. Logic and the Objectivity of Knowledge. Athens OH: Ohio University Press, p. 63; J. Philip Miller, 1982. "Numbers in Presence and Absence, Phaenomenologica 90 (Den Haag: Nijhoff): p. 19 ff.; and Jitendra Nath Mohanty, 1984, "Husserl, Frege and the Overcoming of Psychologism", in Cho, Kay Kyung, ed., Philosophy and Science in Phenomenological Perspective, Phaenomenologica 95 (Dordrecht/Boston/Lancaster: Nijhoff), p. 145.Rosado Haddock, G. E., "On Husserl’s Distinction between State of Affairs (Sachverhalt) and Situation of Affairs (Sachlage)", in C. Ortiz Hill and G. E. Rosado Haddock, Husserl Or Frege?: Meaning, Objectivity, and Mathematics (Chicago: Open Court, 2000), pp. 253–262.{{rp|253–262}}For example, the review falsely accuses Husserl of subjectivizing everything, so that no objectivity is possible, and falsely attributes to him a notion of abstraction whereby objects disappear until we are left with numbers as mere ghosts. Contrary to what Frege states, in Husserl's Philosophy of Arithmetic we already find two different kinds of representations: subjective and objective. Moreover, objectivity is clearly defined in that work. Frege's attack seems to be directed at certain foundational doctrines then current in Weierstrass's Berlin School, of which Husserl and Cantor cannot be said to be orthodox representatives.Furthermore, various sources indicate that Husserl changed his mind about psychologism as early as 1890, a year before he published the Philosophy of Arithmetic. Husserl stated that by the time he published that book, he had already changed his mind—that he had doubts about psychologism from the very outset. He attributed this change of mind to his reading of Leibniz, Bolzano, Lotze, and David Hume.Husserl-Chronik, pp. 25–26 Husserl makes no mention of Frege as a decisive factor in this change. In his Logical Investigations, Husserl mentions Frege only twice, once in a footnote to point out that he had retracted three pages of his criticism of Frege's The Foundations of Arithmetic, and again to question Frege's use of the word Bedeutung to designate "reference" rather than "meaning" (sense).In a letter dated 24 May 1891, Frege thanked Husserl for sending him a copy of the Philosophy of Arithmetic and Husserl's review of Ernst Schröder's Vorlesungen über die Algebra der Logik. In the same letter, Frege used the review of Schröder's book to analyze Husserl's notion of the sense of reference of concept words. Hence Frege recognized, as early as 1891, that Husserl distinguished between sense and reference. Consequently, Frege and Husserl independently elaborated a theory of sense and reference before 1891.Commentators argue that Husserl's notion of noema has nothing to do with Frege's notion of sense, because noemata are necessarily fused with noeses which are the conscious activities of consciousness. Noemata have three different levels:
  • The substratum, which is never presented to the consciousness, and is the support of all the properties of the object;
  • The noematic senses, which are the different ways the objects are presented to us;
  • The modalities of being (possible, doubtful, existent, non-existent, absurd, and so on).
Consequently, in intentional activities, even non-existent objects can be constituted, and form part of the whole noema. Frege, however, did not conceive of objects as forming parts of senses: If a proper name denotes a non-existent object, it does not have a reference, hence concepts with no objects have no truth value in arguments. Moreover, Husserl did not maintain that predicates of sentences designate concepts. According to Frege the reference of a sentence is a truth value; for Husserl it is a "state of affairs." Frege's notion of "sense" is unrelated to Husserl's noema, while the latter's notions of "meaning" and "object" differ from those of Frege.In detail, Husserl's conception of logic and mathematics differs from that of Frege, who held that arithmetic could be derived from logic. For Husserl this is not the case: mathematics (with the exception of geometry) is the ontological correlate of logic, and while both fields are related, neither one is strictly reducible to the other.

Husserl's criticism of psychologism

Reacting against authors such as J. S. Mill, Christoph von Sigwart and his own former teacher Brentano, Husserl criticised their psychologism in mathematics and logic, i.e. their conception of these abstract and a priori sciences as having an essentially empirical foundation and a prescriptive or descriptive nature. According to psychologism, logic would not be an autonomous discipline, but a branch of psychology, either proposing a prescriptive and practical "art" of correct judgement (as Brentano and some of his more orthodox students did)See the quotes in Carlo Ierna, “Husserl’s Critique of Double Judgments”, in: Filip Mattens, editor, Meaning and Language: Phenomenological Perspectives, Phaenomenologica 187 (Dordrecht/Boston/London: Springer, 2008, pp. 50 f. or a description of the factual processes of human thought. Husserl pointed out that the failure of anti-psychologists to defeat psychologism was a result of being unable to distinguish between the foundational, theoretical side of logic, and the applied, practical side. Pure logic does not deal at all with "thoughts" or "judgings" as mental episodes but about a priori laws and conditions for any theory and any judgments whatsoever, conceived as propositions in themselves.
"Here ‘Judgement’ has the same meaning as ‘proposition’, understood, not as a grammatical, but as an ideal unity of meaning. This is the case with all the distinctions of acts or forms of judgement, which provide the foundations for the laws of pure logic. Categorial, hypothetical, disjunctive, existential judgements, and however else we may call them, in pure logic are not names for classes of judgements, but for ideal forms of propositions."Edmund Husserl, Logical Investigations, volume 1, edited by Dermot Moran, trans. by J.N. Findlay (New York: Routledge, 2001), p. 112.
Since "truth-in-itself" has "being-in-itself" as ontological correlate, and since psychologists reduce truth (and hence logic) to empirical psychology, the inevitable consequence is scepticism. Psychologists have also not been successful in showing how from induction or psychological processes we can justify the absolute certainty of logical principles, such as the principles of identity and non-contradiction. It is therefore futile to base certain logical laws and principles on uncertain processes of the mind.This confusion made by psychologism (and related disciplines such as biologism and anthropologism) can be due to three specific prejudices:1. The first prejudice is the supposition that logic is somehow normative in nature. Husserl argues that logic is theoretical, i.e., that logic itself proposes a priori laws which are themselves the basis of the normative side of logic. Since mathematics is related to logic, he cites an example from mathematics: If we have a formula like "(a + b)(a – b) = a² – b²" it does not tell us how to think mathematically. It just expresses a truth. A proposition that says: "The product of the sum and the difference of a and b should give us the difference of the squares of a and b" does express a normative proposition, but this normative statement is based on the theoretical statement "(a + b)(a – b) = a² – b²".2. For psychologists, the acts of judging, reasoning, deriving, and so on, are all psychological processes. Therefore, it is the role of psychology to provide the foundation of these processes. Husserl states that this effort made by psychologists is a "metábasis eis állo génos" (Gr. μετάβασις εἰς ἄλλο γένος, "a transgression to another field").{{Citation needed|date=September 2010}} It is a metábasis because psychology cannot possibly provide any foundations for a priori laws which themselves are the basis for all the ways we should think correctly. Psychologists have the problem of confusing intentional activities with the object of these activities. It is important to distinguish between the act of judging and the judgment itself, the act of counting and the number itself, and so on. Counting five objects is undeniably a psychological process, but the number 5 is not.3. Judgments can be true or not true. Psychologists argue that judgments are true because they become "evidently" true to us. This evidence, a psychological process that "guarantees" truth, is indeed a psychological process. Husserl responds by saying that truth itself, as well as logical laws, always remain valid regardless of psychological "evidence" that they are true. No psychological process can explain the a priori objectivity of these logical truths.From this criticism to psychologism, the distinction between psychological acts and their intentional objects, and the difference between the normative side of logic and the theoretical side, derives from a Platonist conception of logic. This means that we should regard logical and mathematical laws as being independent of the human mind, and also as an autonomy of meanings. It is essentially the difference between the real (everything subject to time) and the ideal or irreal (everything that is atemporal), such as logical truths, mathematical entities, mathematical truths and meanings in general.


File:Grabmal Edmund Husserl Freiburg Günterstal.jpg|thumb|right|250px|Husserl's gravestone at Freiburg Günterstal ]]David Carr commented on Husserl's following in his 1970 dissertation at Yale: "It is well known that Husserl was always disappointed at the tendency of his students to go their own way, to embark upon fundamental revisions of phenomenology rather than engage in the communal task" as originally intended by the radical new science.Carr, David (1970) "Translator's Introduction" xv–xlii, at xxv, to Edmund Husserl, The Crisis of European Science and Transcendental Phenomenology. Northwestern University. Notwithstanding, he did attract philosophers to phenomenology.Martin Heidegger is the best known of Husserl's students, the one whom Husserl chose as his successor at Freiburg. Heidegger's magnum opus Being and Time was dedicated to Husserl. They shared their thoughts and worked alongside each other for over a decade at the University of Freiburg, Heidegger being Husserl's assistant during 1920–1923.Kockelmans, "Introduction [Martin Heidegger]" 267–276, 273, in Kockelmans, editor, Phenomenology (1967).BOOK,weblink The Stanford Encyclopedia of Philosophy, Christian, Beyer, Edward N., Zalta, 23 August 2017, Metaphysics Research Lab, Stanford University, Stanford Encyclopedia of Philosophy, Heidegger was at Marburg 1923–1925. Heidegger's early work followed his teacher, but with time he began to develop new insights distinctively variant. Husserl became increasingly critical of Heidegger's work, especially in 1929, and included pointed criticism of Heidegger in lectures he gave during 1931.See above subsection "Heidegger and the Nazi era". Heidegger, while acknowledging his debt to Husserl, followed a political position offensive and harmful to Husserl after the Nazis came to power in 1933, Husserl being of Jewish origin and Heidegger infamously being then a Nazi proponent.The multivalent, including the "horrifying", aspects of Heidegger in a parallel context are recounted in Peter Eli Gordon, Rosensweig and Heidegger: Between Judaism and German Philosophy (University of California 2003) at 13–14 (Heidegger and Rosensweig's early "kinship" with him). "In 1929, however, one could still read Heidegger's philosophy without being drawn into a controversy concerning its relationship to National Socialism, anti-semitism, and the like. The German philosophical world as a whole still cloaked itself in a mantle of relative innocence." Gordon (2003) at 303–304. "Rosensweig's work represents the culmination of what is often called the German Jewish Tradition." Gordon, "Preface" (2003) at xix. Academic discussion of Husserl and Heidegger is extensive.At Göttingen in 1913 Adolf Reinach (1884–1917) "was now Husserl's right hand. He was above all the mediator between Husserl and the students, for he understood extremely well how to deal with other persons, whereas Husserl was pretty much helpless in this respect."Edith Stein, "Reinach as a Philosophical Personality [Selection from her memoirs] xxvii–xxix, at xxvii, in Aletheia, III (1985). He was an original editor of Husserl's new journal, Jahrbuch; one of his works (giving a phenomenological analysis of the law of obligations) appeared in its first issue.Adolf Reinach, "Die apriorischen Grundlagen des bürgerlichen Rechtes" in Jahrbuch für Philosophie und phänomenologische Forschung, I: 685–847 (1913), translated as "The A Priori Foundation of Civil Law" in Aletheia, III: 1–142 (1983). Reinach was widely admired and a remarkable teacher. Husserl, in his 1917 obituary, wrote, "He wanted to draw only from the deepest sources, he wanted to produce only work of enduring value. And through his wise restrain he succeeded in this."Edmund Husserl, "Reinach as a Philosophical Personality [Obituary notice] xi–xiv, at xi, in Aletheia, III (1985).Edith Stein was Husserl's student at Göttingen while she wrote her On the Problem of Empathy (1916). She then became his assistant at Freiburg 1916–1918. She later adapted her phenomenology to the modern school of Thomas Aquinas.Waltraud Herbstrith, Edith Stein. A Biography'' ([1971]; New York: Harper and Row 1985) at 13–14, 24; 42–44.Ludwig Landgrebe became assistant to Husserl in 1923. From 1939 he collaborated with Eugen Fink at the Husserl-Archives in Leuven. In 1954 he became leader of the Husserl-Archives. Landgrebe is known as one of Husserl's closest associates, but also for his independent views relating to history, religion and politics as seen from the viewpoints of existentialist philosophy and metaphysics.Eugen Fink was a close associate of Husserl during the 1920s and 1930s. He wrote the Sixth Cartesian Meditation which Husserl said was the truest expression and continuation of his own work. Fink delivered the eulogy for Husserl in 1938.Roman Ingarden, an early student of Husserl at Freiburg, corresponded with Husserl into the mid-1930s. Ingarden did not accept, however, the later transcendental idealism of Husserl which he thought would lead to relativism. Ingarden has written his work in German and Polish. In his Spór o istnienie świata (Ger.: "Der Streit um die Existenz der Welt", Eng.: "Dispute about existence of the world") he created his own realistic position, which also helped to spread phenomenology in Poland.Max Scheler met Husserl in Halle in 1901 and found in his phenomenology a methodological breakthrough for his own philosophy. Scheler, who was at Göttingen when Husserl taught there, was one of the original few editors of the journal Jahrbuch für Philosophie und Phänomenologische Forschung (1913). Scheler's work Formalism in Ethics and Nonformal Ethics of Value appeared in the new journal (1913 and 1916) and drew acclaim. The personal relationship between the two men, however, became strained, due to Scheler's legal troubles, and Scheler returned to Munich.John Raphael Staude, Max Scheler (New York: Free Press 1967) at 19–20, 27–28. Although Scheler later criticised Husserl's idealistic logical approach and proposed instead a "phenomenology of love", he states that he remained "deeply indebted" to Husserl throughout his work.Nicolai Hartmann was once thought to be at the center of phenomenology, but perhaps no longer. In 1921 the prestige of Hartmann the Neo-Kantian, who was Professor of Philosophy at Marburg, was added to the Movement; he "publicly declared his solidarity with the actual work of die Phänomenologie." Yet Hartmann's connections were with Max Scheler and the Munich circle; Husserl himself evidently did not consider him as a phenomenologist. His philosophy, however, is said to include an innovative use of the method.Spiegelberg, Herbert (1971). The Phenomenological Movement. pp. 258–259; 371 (Scheler), 379–384 (use of method).Emmanuel Levinas in 1929 gave a presentation at one of Husserl's last seminars in Freiburg. Also that year he wrote on Husserl's Ideen (1913) a long review published by a French journal. With Gabrielle Peiffer, Levinas translated into French Husserl's Méditations cartésiennes (1931). He was at first impressed with Heidegger and began a book on him, but broke off the project when Heidegger became involved with the Nazis. After the war he wrote on Jewish spirituality; most of his family had been murdered by the Nazis in Lithuania. Levinas then began to write works that would become widely known and admired.Unsigned "Preface" at vii–x, to Emmanuel Levinas. Basic philosophical writings (Indiana University 1996), edited by Adriaan Peperzak, Simon Critchley, and Robert Bernasconi.Alfred Schutz's Phenomenology of the Social World seeks to rigorously ground Max Weber's interpretive sociology in Husserl's phenomenology. Husserl was impressed by this work and asked Schutz to be his assistant.George Walsh, "Introduction", Alfred Schütz, The Phenomenology of the Social World (Illinois 1997) p. xviii Jean-Paul Sartre was also largely influenced by Husserl, although he later came to disagree with key points in his analyses. Sartre rejected Husserl's transcendental interpretations begun in his Ideen (1913) and instead followed Heidegger's ontology.Sartre, The Transcendent of the Ego. An Existentialist Theory of Consciousness [1937] (New York: Noonday 1957).Maurice Merleau-Ponty's Phenomenology of Perception is influenced by Edmund Husserl's work on perception, intersubjectivity, intentionality, space,See, for example, the influence of Husserl on Merleau-Ponty's conception of l'espace as expounded in: Nader El-Bizri, "A Phenomenological Account of the Ontological Problem of Space", Existentia Meletai-Sophias, 12 (2002), pp.345–364 and temporality, including Husserl's theory of retention and protention. Merleau-Ponty's description of 'motor intentionality' and sexuality, for example, retain the important structure of the noetic/noematic correlation of Ideas I, yet further concretize what it means for Husserl when consciousness particularizes itself into modes of intuition. Merleau-Ponty's most clearly Husserlian work is, perhaps, "the Philosopher and His Shadow." Depending on the interpretation of Husserl's accounts of eidetic intuition, given in Husserl's Phenomenological PsychologyLectures, Summer Semester, 1925 and Experience and Judgment, it may be that Merleau-Ponty did not accept the "eidetic reduction" nor the "pure essence" said to result.Remy C. Kwant, "Merleau-Ponty's Criticism of Husserl's Eidetic Reduction" in Joseph J. Kochelmans, Phenomenology. The Philosophy of Edmund Husserl and its Interpretation (Garden City NY: Doubleday Anchor 1967) at 393–408, 394–395, 404–405. Merleau-Ponty was the first student to study at the Husserl-archives in Leuven.Gabriel Marcel explicitly rejected existentialism, due to Sartre, but not phenomenology, which has enjoyed a wide following among French Catholics. He appreciated Husserl, Scheler, and (but with apprehension) Heidegger.Spiegelberg, Herbert and Schuhmann, Karl (1982). The Phenomenological Movement. Springer. pp. 438–439, 448–449. His expressions like "ontology of sensability" when referring to the body, indicate influence by phenomenological thought.Caponigri, A. Robert (1971). A History of Western Philosophy. University of Notre Dame. Vol. V, pp. 284–285.Kurt Gödel is known to have read Cartesian Meditations. He expressed very strong appreciation for Husserl's work, especially with regard to "bracketing" or epoché.Hermann Weyl's interest in intuitionistic logic and impredicativity appears to have resulted from his reading of Husserl. He was introduced to Husserl's work through his wife, Helene Joseph, herself a student of Husserl at Göttingen.Colin Wilson has used Husserl's ideas extensively in developing his "New Existentialism," particularly in regards to his "intentionality of consciousness," which he mentions in a number of his books.BOOK, Colin Wilson, Introduction to the New Existentialism, 1966, Ashgate Publishing, 978-0704504158, 54, Rudolf Carnap was also influenced by Husserl,Smith, D. W., and Thomasson, Amie L. (eds.), 2005, Phenomenology and Philosophy of Mind. Oxford and New York: Oxford University Press, p. 8 n. 18. not only concerning Husserl's notion of essential insight that Carnap used in his Der Raum, but also his notion of "formation rules" and "transformation rules" is founded on Husserl's philosophy of logic.Karol Wojtyla, who would later become Pope John Paul II, was influenced by Husserl. Phenomenology appears in his major work, The Acting Person (1969). Originally published in Polish, it was translated by Andrzej Potocki and edited by Anna-Teresa Tymieniecka in the Analecta Husserliana. The Acting Person combines phenomenological work with Thomistic ethics.{{citation | last=Wojtyla | first=Karol | author-link=Pope John Paul II | title=The Acting Person: A Contribution to Phenomenological Anthropology | publisher=Springer | year=2002 | isbn=90-277-0985-8 }}File:Edmund Husserl.jpg|thumb|right|Plaque commemorating Husserl in his home town of Prostějov, Czech RepublicCzech RepublicPaul Ricœur has translated many works of Husserl into French and has also written many of his own studies of the philosopher.Cf., Paul Ricœur, Husserl. An analysis of his phenomenology (Northwestern University 1967), collected essays, translated. Among other works, Ricœur employed phenomenology in his Freud and Philosophy (1965).Ricœur, Freud and Philosophy: An essay in interpretation ([1965]; Yale University 1970).Jacques Derrida wrote several critical studies of Husserl early in his academic career. These included his dissertation, The Problem of Genesis in Husserl's Philosophy, and also his introduction to The Origin of Geometry. Derrida continued to make reference to Husserl in works such as Of Grammatology.Stanisław Leśniewski and Kazimierz Ajdukiewicz were inspired by Husserl's formal analysis of language. Accordingly, they employed phenomenology in the development of categorial grammar.Cf. {{citation | last=Smith | first=Barry | author-link=Barry Smith (ontologist) | title=On the Origins of Analytic Philosophy | journal=Grazer Philosophische Studien | volume=34 | year=1989 | pages=153–173 | url= |format=PDF}}José Ortega y Gasset visited Husserl at Freiburg in 1934. He credited phenomenology for having 'liberated him' from a narrow neo-Kantian thought. While perhaps not a phenomenologist himself, he introduced the philosophy to Iberia and Latin America.Spiegelberg, Herbert and Schuhmann, Karl (1982). The Phenomenological Movement. Springer. pp. 658–659.Wilfrid Sellars, an influential figure in the so-called "Pittsburgh School" (Robert Brandom, John McDowell) had been a student of Marvin Farber, a pupil of Husserl, and was influenced by phenomenology through him:}}Hans Blumenberg received his habilitation in 1950, with a dissertation on 'Ontological distance', an inquiry into the crisis of Husserl's phenomenology.Roger Scruton, despite some disagreements with Husserl, drew upon his work in Sexual Desire (1986).BOOK, Scruton, Roger, Sexual Desire: A Philosophical Investigation, Phoenix, London, 1994, 3–4, 1-85799-100-1, {{rp|3–4}}The influence of the Husserlian phenomenological tradition in the 21st century extends beyond the confines of the European and North American legacies. It has already started to impact (indirectly) scholarship in Eastern and Oriental thought, including research on the impetus of philosophical thinking in the history of ideas in Islam.See for instance: Nader El-Bizri, The Phenomenological Quest Between Avicenna and Heidegger (Binghamton, N.Y.: Global Publications SUNY at Binghamton, 2000); and also refer to: Nader El-Bizri, "Avicenna's De Anima between Aristotle and Husserl", in The Passions of the Soul in the Metamorphosis of Becoming, ed. Anna-Teresa Tymieniecka (Dordrecht: Kluwer Academic Publishers, 2003), pp. 67–89Refer also to the book-series published by Springer on phenomenology and Islamic philosophy: weblink.


Primary literature

In German

  • 1887. Ãœber den Begriff der Zahl. Psychologische Analysen (On the Concept of Number; habilitation thesis)
  • 1891. Philosophie der Arithmetik. Psychologische und logische Untersuchungen (Philosophy of Arithmetic)
  • 1900. Logische Untersuchungen. Erster Teil: Prolegomena zur reinen Logik (Logical Investigations, Vol. 1)
  • 1901. Logische Untersuchungen. Zweiter Teil: Untersuchungen zur Phänomenologie und Theorie der Erkenntnis (Logical Investigations, Vol. 2)
  • 1911. Philosophie als strenge Wissenschaft (included in Phenomenology and the Crisis of Philosophy: Philosophy as Rigorous Science and Philosophy and the Crisis of European Man)
  • 1913. Ideen zu einer reinen Phänomenologie und phänomenologischen Philosophie. Erstes Buch: Allgemeine Einführung in die reine Phänomenologie (Ideas: General Introduction to Pure Phenomenology)
  • 1923–24. Erste Philosophie. Zweiter Teil: Theorie der phänomenologischen Reduktion (First Philosophy, Vol. 2: Phenomenological Reductions)
  • 1925. Erste Philosophie. Erster Teil: Kritische Ideengeschichte (First Philosophy, Vol. 1: Critical History of Ideas)
  • 1928. Vorlesungen zur Phänomenologie des inneren Zeitbewusstseins (Lectures on the Phenomenology of the Consciousness of Internal Time)
  • 1929. Formale und transzendentale Logik. Versuch einer Kritik der logischen Vernunft (Formal and Transcendental Logic)
  • 1930. Nachwort zu meinen „Ideen zu einer reinen Phänomenologie und phänomenologischen Philosophie“ (Postscript to my "Ideas")
  • 1936. Die Krisis der europäischen Wissenschaften und die transzendentale Phänomenologie: Eine Einleitung in die phänomenologische Philosophie ((The Crisis of European Sciences and Transcendental Phenomenology: An Introduction to Phenomenological Philosophy))
  • 1939. Erfahrung und Urteil. Untersuchungen zur Genealogie der Logik. (Experience and Judgment)
  • 1950. Cartesianische Meditationen (translation of Méditations cartésiennes (Cartesian Meditations, 1931))
  • 1952. Ideen II: Phänomenologische Untersuchungen zur Konstitution (Ideas II: Studies in the Phenomenology of Constitution)
  • 1952. Ideen III: Die Phänomenologie und die Fundamente der Wissenschaften (Ideas III: Phenomenology and the Foundations of the Sciences)

In English

  • Philosophy of Arithmetic, Willard, Dallas, trans., 2003 [1891]. Dordrecht: Kluwer.
  • Logical Investigations, 1973 [1900, 2nd revised edition 1913], Findlay, J. N., trans. London: Routledge.
  • "Philosophy as Rigorous Science", translated in Quentin Lauer, S.J., editor, 1965 [1910] Phenomenology and the Crisis of Philosophy. New York: Harper & Row.
  • Ideas Pertaining to a Pure Phenomenology and to a Phenomenological Philosophy – First Book: General Introduction to a Pure Phenomenology, 1982 [1913]. Kersten, F., trans. The Hague: Nijhoff.
  • Ideas Pertaining to a Pure Phenomenology and to a Phenomenological Philosophy – Second Book: Studies in the Phenomenology of Constitution, 1989. R. Rojcewicz and A. Schuwer, translators. Dordrecht: Kluwer.
  • Ideas Pertaining to a Pure Phenomenology and to a Phenomenological Philosophy – Third Book: Phenomenology and the Foundations of the Sciences, 1980, Klein, T. E., and Pohl, W. E., translators. Dordrecht: Kluwer.
  • On the Phenomenology of the Consciousness of Internal Time (1893–1917), 1990 [1928]. Brough, J.B., trans. Dordrecht: Kluwer.
  • Cartesian Meditations, 1960 [1931]. Cairns, D., trans. Dordrecht: Kluwer.
  • Formal and Transcendental Logic, 1969 [1929], Cairns, D., trans. The Hague: Nijhoff.
  • Experience and Judgement, 1973 [1939], Churchill, J. S., and Ameriks, K., translators. London: Routledge.
  • The Crisis of European Sciences and Transcendental Philosophy, 1970 [1936/54], Carr, D., trans. Evanston: Northwestern University Press.
  • “Universal Teleology”. Telos 4 (Fall 1969). New York: Telos Press.

  • Willard, Dallas, trans., 1994. Early Writings in the Philosophy of Logic and Mathematics. Dordrecht: Kluwer.
  • Welton, D., ed., 1999. The Essential Husserl. Bloomington: Indiana University Press.

Secondary literature

  • Adorno, Theodor W., 2013. Against Epistemology. Cambridge: Polity Press. {{ISBN|978-0745665382}}
  • Bernet, Rudolf, et al., 1993. Introduction to Husserlian Phenomenology. Evanston: Northwestern University Press. {{ISBN|0-8101-1030-X}}
  • Derrida, Jacques, 1954 (French), 2003 (English). The Problem of Genesis in Husserl's Philosophy. Chicago & London: University of Chicago Press.
  • --------, 1962 (French), 1976 (English). Introduction to Husserl's The Origin of Geometry. Includes Derrida's translation of Appendix III of Husserl's 1936 The Crisis of European Sciences and Transcendental Phenomenology.
  • --------, 1967 (French), 1973 (English). Speech and Phenomena (La Voix et le Phénomène), and other Essays on Husserl's Theory of Signs. {{ISBN|0-8101-0397-4}}
  • {{Citation | author = Everdell, William R. | year = 1998 | title = The First Moderns | language = es | publisher = University of Chicago Press | location = Chicago | isbn = 0-226-22480-5 | url-access = registration | url =weblink }}
  • Fine, Kit, 1995, "Part-Whole" in Smith, B., and Smith, D. W., eds., The Cambridge Companion to Husserl. Cambridge: Cambridge University Press.
  • Fink, Eugen 1995, Sixth Cartesian meditation. The Idea of a Transcendental Theory of Method with textual notations by Edmund Husserl. Translated with an introduction by Ronald Bruzina, Bloomington: Indiana University Press.
  • Føllesdal, Dagfinn, 1972, "An Introduction to Phenomenology for Analytic Philosophers" in Olson, R. E., and Paul, A. M., eds., Contemporary Philosophy in Scandinavia. Johns Hopkins University Press: 417-30.
  • Hill, C. O., 1991. Word and Object in Husserl, Frege, and Russell: The Roots of Twentieth-Century Philosophy. Ohio Univ. Press.
  • -------- and Rosado Haddock, G. E., 2000. Husserl or Frege? Meaning, Objectivity, and Mathematics. Open Court.
  • Hopkins, Burt C., (2011). The Philosophy of Husserl. Durham: Acumen.
  • Levinas, Emmanuel, 1963 (French), 1973 (English). The Theory of Intuition in Husserl's Phenomenology. Evanston: Northwestern University Press.
  • Köchler, Hans, 1983, "The Relativity of the Soul and the Absolute State of the Pure Ego", Analecta Husserliana 16: 95–107.
  • --------, 1986. Phenomenological Realism. Selected Essays. Frankfurt a. M./Bern: Peter Lang.
  • Mohanty, J. N., 1974, "Husserl and Frege: A New Look at Their Relationship", Research in Phenomenology 4: 51–62.
  • --------, 1982. Edmund Husserl's Theory of Meaning. The Hague: Martinus Nijhoff.
  • --------, 1982. Husserl and Frege. Bloomington: Indiana University Press.
  • Moran, D. and Cohen, J., 2012, The Husserl Dictionary. London, Continuum Press.
  • Natanson, Maurice, 1973. Edmund Husserl: Philosopher of Infinite Tasks. Evanston: Northwestern University Press. {{ISBN|0-8101-0425-3}}
  • RicÅ“ur, Paul, 1967. Husserl: An Analysis of His Phenomenology. Evanston: Northwestern University Press.
  • Rollinger, R. D., 1999, Husserl's Position in the School of Brentano in Phaenomenologica 150. Kluwer. {{ISBN|0-7923-5684-5}}
  • --------, 2008. Austrian Phenomenology: Brentano, Husserl, Meinong, and Others on Mind and Language. Frankfurt am Main: Ontos-Verlag. {{ISBN|978-3-86838-005-7}}
  • Schuhmann, K., 1977. Husserl – Chronik (Denk- und Lebensweg Edmund Husserls). Number I in Husserliana Dokumente. Martinus Nijhoff. {{ISBN|90-247-1972-0}}
  • Simons, Peter, 1987. Parts: A Study in Ontology. Oxford: Oxford University Press.
  • Sokolowski, Robert. Introduction to Phenomenology. New York: Cambridge University Press, 1999. {{ISBN|978-0-521-66792-0}}
  • {{Citation

|author= Smith, B. & Smith, D. W., eds.
|title= The Cambridge Companion to Husserl
|publisher= Cambridge University Press
|location= Cambridge
|year= 1995
|isbn= 0-521-43616-8
  • Smith, David Woodruff, 2007. Husserl London: Routledge.
  • Stiegler, Bernard, 2009. Technics and Time, 2: Disorientation. Stanford: Stanford University Press.
  • Zahavi, Dan, 2003. Husserl's Phenomenology. Stanford: Stanford University Press. {{ISBN|0-8047-4546-3}}

See also



Further reading

  • JOURNAL, Jairo José, da Silva, Husserl's Philosophy of Mathematics, Revista Internacional de Filosofía, 16, 2, 121–148, 1993,
  • BOOK, Claire, Ortiz Hill, Jairo Jose, da Silva, The Road Not Taken: On Husserl's Philosophy of Logic and Mathematics, College Publications, 1997,
  • JOURNAL, Guillermo E., Rosado Haddock, Husserl's philosophy of mathematics: Its origin and relevance, Husserl Studies, 22, 3, 193–222, 2006,weblink

External links

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