Language, Logic, and Mathematics in Schopenhauer

Dr. Jens Lemanski, Privatdozent for Philosophy at the FernUniversität in Hagen, Germany holds a cotutela-Ph.D in philosophy from the Johannes-Gutenberg Universität Mainz and the Università del Salento (Lecce). He has been a research fellow at the Westfaelische Wilhelms-Universitaet Muenster and the Ruhr-Universitaet Bochum. He has published on the history and philosophy of science, metaphysics, logic, and the foundations of mathematics.

• Introduction: Jens Lemanski.- Section 1: Language.- Language as an "Indisputable Tool and Organ" of Reason: Intuition, Concept and Word in Schopenhauer: Matthias Koßler.- Problems in Reconstructing Schopenhauer's Theory of Meaning: With References to Influence on Wittgenstein: Michał Dobrzański.- Concept Diagrams and the Context Principle: Jens Lemanski.- A Comment on Lemanski's "Concept Diagrams and the Context Principle": Gunnar Schumann.- The World as Will and I-Language: Schopenhauer's Philosophy as Precursor of Cognitive Sciences: Sascha Dümig.- Schopenhauer's Perceptive Invective: Michel-Antoine Xhignesse.- Section 2: Logic.- Schopenhauer's Eulerian Diagrams: Amirouche Moktefi.- Schopenhauer's Logic In Its Historical Context: Valentin Pluder.- Arthur Schopenhauer on Naturalness in Logic: Hubert Martin Schüler, Jens Lemanski.- Schopenhauer and the Equational Form of Predication: Anna-Sophie Heinemann.- From Euler Diagrams in Schopenhauer to Aristotelian Diagrams inLogical Geometry: Lorenz Demey.- Metalogic, Schopenhauer, and Universal Logic: Jean-Yves Béziau.- Section 3: Mathematics.- Schopenhauer and the Mathematical Intuition as the Foundation of Geometry: Marco Segala.- Schopenhauer on Intuition and Proof in Mathematics: Jason Costanzo.- Schopenhauer on Diagrammatic Proof: Michael Bevan.- From Necessary Truths to Feelings: The Foundations of Mathematics in Leibniz and Schopenhauer: Laura Follesa.-