Kuno Lorenz

German philosopher (born 1932) 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 [de]. Career 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 a Gentzen-type calculus) are written upside down, so that the initial assertion of a proponent stays above and is defe