- Franz Brentano
region = Western Philosophy
color = #B0C4DE
name = Franz Brentano
January 16, 1838, Marienberg am Rhein
March 17, 1917, Zürich
School of Brentano
main_interests = | influences = | influenced =
Sigmund Freud, Edmund Husserl, Martin Heidegger, Kazimierz Twardowski, Christian von Ehrenfels, Rudolf Steiner, Millan Puelles, Alexius Meinong, | notable_ideas =
Franz Clemens Honoratus Hermann Brentano (January 16, 1838 – March 17, 1917) was an influential German philosopher and psychologist whose influence was felt by other such luminaries as
Sigmund Freud, Edmund Husserl, Kazimierz Twardowskiand Alexius Meinong, who followed and adapted his views.
Brentano was born at Marienberg am Rhein, near
Boppard. He studied philosophyat the universities of Munich, Würzburg, Berlin(with Adolf Trendelenburg) and Münster. He had a special interest in Aristotleand scholastic philosophy. He wrote his dissertation in Tübingen"On the manifold sense of Being in Aristotle". Subsequently he began to study theologyand entered the seminary in Munich and then Würzburg, preparing to become a Roman Catholic priest (ordained August 6, 1864). In 1865–66 he wrote and defended his habilitationessay and theses and began to lecture at the University of Würzburg. His students in this period included, among others, Carl Stumpfand Anton Marty. Between 1870 and 1873 Brentano was heavily involved in the debate on papal infallibility. A strong opponent of such dogma, he eventually gave up his priesthood. Following Brentano's religious struggles, Stumpf (who was studying at the seminar at the time) was also drawn away from the church.
In 1874 Brentano published his major work: "Psychology from an Empirical Standpoint" and from 1874 to 1895 taught at the
University of Vienna. Among his students were Edmund Husserl, Alexius Meinong, Christian von Ehrenfels, Rudolf Steiner, T.G. Masaryk, Sigmund Freud, Kazimierz Twardowskiand many others (see School of Brentanofor more details). While he began his career as a full ordinary professor, he was forced to give up both his Austrian citizenship and his professorship in 1880 in order to marry. He was permitted to return to the university only as a "Privatdozent". After his retirement he moved to Florencein Italy, transferring to Zürichat the outbreak of the First World War, where he died in 1917.
Work and thought
Brentano is best known for his reintroduction of the concept of
intentionality— a concept derived from scholastic philosophy— to contemporary philosophyin his lectures and in his work Psychologie vom Empirischen Standpunkte ("Psychology from an Empirical Standpoint"). 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 content, is directed at an object (the " intentional object"). Every belief, desire etc. has an object that they are 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 psychical phenomena and physical phenomena, because, as Brentano defined it, physical phenomena lacked the ability to generate "original intentionality", and could only facilitate an intentional relationship in a second-hand manner, which he labeled "derived intentionality".
He is also well known for claiming that "Wahrnehmung ist Falschnehmung" ('perception is misception' or literally 'truth-grasping is false-grasping') that is to say perception is erroneous. In fact he maintained that external, sensory perception could not tell us anything about the "de facto" existence of the perceived world, which could simply be illusion. However, we can be absolutely sure of our internal perception. When I hear a tone, I cannot be completely sure that there is a tone in the real world, but I am absolutely certain that I do hear. This awareness, of the fact that I hear, is called internal perception. External perception, sensory perception, can only yield hypotheses about the perceived world, but not truth. Hence he and many of his pupils (in particular
Carl Stumpfand Edmund Husserl) thought that the natural sciences could only ever yield hypotheses and not universal, absolute truths as in pure logicor mathematics.
However, in a reprinting of his Psychologie vom Empirischen Standpunkte (Psychology from an Empirical Standpoint), he recanted this previous view. He attempted to do so without reworking the previous arguments within that work but it has been said that he was wholly unsuccessful. The new view states that when we hear we hear something from the external world; there are no physical phenomenon of internal perception. Of course, when he makes this change he is not only recanting this portion (as he tried to maintain), he is also recanting everything that he derived from the claim that internal perception was flawless. [See Postfix in the 1923 edition (in German) or the 1973, English version (ISBN 0710074255, edited by Oskar Kraus; translated [from the German] by Antos C. Rancurello, D. B. Terrell and Linda L. McAlister; English edition edited by Linda L. McAlister).]
Brentano has a theory of judgement which is different from the nowadays dominant (Fregean) view. At the centre of Brentano’s theory of judgement lies the idea that a judgement depends on having a presentation, but this presentation does not have to be predicated! Even stronger: Brentano thought that predication is not even sufficient for judgement, because there are judgements without a predicational content. Another fundamental aspect of his theory is that judgements are always existential. This so-called existential claim implies that when someone is judging that S is P he/she is judging that some S that is P exists. (Note that Brentano denied the idea that all judgements are of the form: S is P [and all other kinds of judgement which combine presentations] . Brentano argued that there are also judgements arising from a single presentation, e.g. “the planet Mars exists” has only one presentation.) In Brentano’s own symbols, a judgement is always of the form: ‘+A’ (A exists) or ‘-A’ (A does not exist).Combined with the third fundamental claim of Brentano, the idea that all judgements are either positive (judging that A exists) or negative (judging that A does not exist), we have a complete picture of Brentano’s theory of judgement. So, imagine that you doubt whether midgets exists or not. At that point you have a presentation of midgets in your mind. When you judge that midgets do not exist, then you are judging that the presentation you have does not present something that exists. You do not have to utter that in words or otherwise predicate that judgement. The whole judgement takes place in the denial (or approval) of the existence of the presentation you have. The problem of Brentano’s theory of judgement is not the idea that all judgements are existential judgements (though it is sometimes a very complex enterprise to transform ordinary judgements into an existential one), the real problem is that Brentano made no distinction between object and presentation. A presentation exists as an object in your mind. So you cannot really judge that A does not exist, because if you do so you also judge that the presentation is not there (which is impossible, according to Brentano’s idea that all judgements have the object which is judged as presentation). Twardowski acknowledged this problem and solved it by denying that the object is equal to the presentation. This is actually only a change within Brentano’s theory of perception, but has a welcome consequence for the theory of judgement, viz. that you can have a presentation (which exists) but at the same time judge that the object does not exist.
Major works by Brentano
* (1862) "On the several senses of Being in Aristotle" (Von der mannigfachen Bedeutung des Seienden nach Aristoteles)
* (1867) "The Psychology of Aristotle" (Die Psychologie des Aristoteles)
* (1874) "Psychology from an Empirical Standpoint" (Psychologie vom empirischen Standpunkt)
* (1889) "The Origin of our Knowledge of Right and Wrong" ( [http://www.archive.org/details/theoriginofthekn00brenuoft 1902 english edition] )
* (1911) "Aristotle and his World View" (Aristoteles und seine Weltanschauung)
* (1911) "The Classification of Mental Phenomena" (Die Klassifikation von Geistesphänomenen)
* (1976) "Philosophical Investigations on Space, Time and Phenomena" (Philosophische Untersuchungen zu Raum, Zeit und Kontinuum)
* (1982) "Descriptive Psychology" (Deskriptive Psychologie)
List of Austrian scientists
List of Austrians
* [http://www.formalontology.it/brentanof.htm Franz Brentano's Immanent Realism and his ontology] Contains a list of the English translations of Brentano's works
NAME=Brentano, Franz Clemens Honoratus Hermann
ALTERNATIVE NAMES=Brentano, Franz
DATE OF BIRTH=January 16, 1838
PLACE OF BIRTH=Marienberg am Rhein, near
DATE OF DEATH=March 17, 1917
PLACE OF DEATH=
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