Reduction - Abstraction - Analysis Proceedings of the 31th International Ludwig Wittgenstein-Symposium in Kirchberg, 2008

Alexander Hieke is an Associate Professor at the Department of Philosophy at the University of Salzburg. He has edited, amongst others, volumes on Free Logic and Ernst Mally. He is the author of various articles and books on metaphysics and ontology, logic, philosophy of language, and epistemology.
Hannes Leitgeb is Professor at the Departments of Philosophy and Mathematics at the University of Bristol. He is a Managing Editor of Studia Logica, an Associate Editor of Erkenntnis, a Subject Editor for the Stanford Encyclopedia of Philosophy, and an Editor of the Collected Works of Rudolf Carnap. He is the author of numerous papers and books on logic, philosophy of mathematics, philosophy of science, epistemology, and philosophy of language.