Kuno Lorenz

Intro German philosopher
A.K.A. Lorenz
Is Philosopher Professor Educator
From Germany
Type Academia Philosophy
Gender male
Birth 17 September 1932, Vachdorf, Germany
Star sign Virgo

Kuno Lorenz Kuno Lorenz (born September 17, 1932 in Vachdorf, Thüringen) is a German philosopher. He developed a philosophy of dialogue, in connection with the pragmatic theory of action of the Erlangen constructivist school. Lorenz is married to the literary scholar Karin Lorenz-Lindemann.


After studying mathematics and physics in Tübingen, Hamburg, Bonn and Princeton, Lorenz earned his Ph.D. in 1961 under Paul Lorenzen in Kiel with a thesis about Arithmetic and Logic as Games. In 1969 he received his habilitation degree in philosophy also under Lorenzen but this time in Erlangen. In 1970 he was offered the chair of philosophy at the University of Hamburg to succeed Carl Friedrich von Weizsäcker. From 1974 till his retirement in 1997 he taught at the University of Saarland in Saarbrücken. Among his former students is Arno Ros.

Dialogue and predication

Lorenz developed (along with Paul Lorenzen) an approach to arithmetic and logic as dialogue games. In dialogical logic (game semantics), tree calculations (generally, of Gentzen type calculus) are written upside down, so that the initial assertion of a proponent stays above and is defended against an opponent as in a game. This is a linguistically more congenial approach to logic which is more suitable as a model for argumentation than the formal derivation in a calculus or truth tables. Lorenz presented for the first time a simple demonstration of Gentzen's consistency proof on this game-theoretic basis. If one regards logic and mathematics in this way as a game, an intuitionist approach becomes a more plausible option.

Dialogical constructivism

Not only logic, but the whole of philosophy is given a dialogical treatment by Lorenz. Only in the mirror of a relative Other is it possible to reflect upon oneself. Lorenz developed a dialogical constructivism from the focus on the dialogical principle (Martin Buber) and the process of language games of the later Ludwig Wittgenstein. In addition, the pragmatism of Charles Sanders Peirce and the historicism of Wilhelm Dilthey are complementary juxtaposed.


1969 with Jürgen Mittelstraß: Die methodische Philosophie Hugo Dinglers Einleitung zum Nachdruck von: Hugo Dingler Die Ergreifung des Wirklichen Kapitel I-IV. Suhrkamp, Frankfurt (Reihe Theorie 1) S. 7-55 1970 Elemente der Sprachkritik Eine Alternative zum Dogmatismus und Skeptizismus in der Analytischen Philosophie Suhrkamp, Frankfurt (Reihe Theorie) 1977 Einführung zu: Richard Gätschenberger Zeichen, die Fundamente des Wissens Zweite, unveränd. Aufl., vermehrt um eine Einführung von Kuno Lorenz. (Nachdr. v. 1932) frommann-holzboog, Stuttgart (problemata; 59) 1978 with Paul Lorenzen: Dialogische Logik WBG, Darmstadt 1978 (Hrsg.): Konstruktionen versus Positionen Beiträge zur Diskussion um die konstruktive Wissenschaftstheorie. Paul Lorenzen zum 60. Geburtstag. de Gruyter, Berlin, New York 1980 Sprachphilosophie in: Althaus u.a. (Hrsg.): Lexikon der germanistischen Linguistik Niemeyer, Tübingen 1982 (Hrsg.): Identität und Individuation (2 Bde.) frommann-holzboog, Stuttgart 1986 Dialogischer Konstruktivismus In: K. Salamun (Hrsg.): Was ist Philosophie? Mohr, Tübingen 1990 Einführung in die philosophische Anthropologie WBG, Darmstadt ²1992 ISBN 3-534-04879-2 1992/6 with M. Dascal, D. Gerhardus und G. Meggle) (Hrsg.): Sprachphilosophie Ein internationales Handbuch zeitgenössischer Forschung (2 Halbbde.) Berlin/New York 1998 Indische Denker Beck, München ISBN 3-406-41945-3 (Rezension) 2009 Dialogischer Konstruktivismus de Gruyter, Berlin, New York ISBN 978-3-11-020310-3

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