The contributions to this collection deal with the fundamental problem of unity, which plays a decisive role in many contemporary debates (even when this role is not acknowledged). Questions like whether there can be unities that persist through time a ' e.g. persons who remain the same throughout their lives a ' are discussed from various perspectives. Is such an idea possible at all, and if so, what role do concepts like force, capacity, and disposition play in this context?

What can systematic philosophy contribute to come from conflict between cultures to a substantial dialogue? - This question was the general theme of the 29th international symposium of the Austrian Ludwig Wittgenstein Society in Kirchberg. Worldwide leading philosophers accepted the invitation to come to the conference, whose results are published in this volume, edited by Christian Kanzian Edmund Runggaldier. The sections are dedicated to the philosophy of Wittgenstein, Logics and Philosophy of Language, Decision- and Action Theory, Ethical Aspects of the Intercultural Dialogue, Intercultural Dialogue, and last not least to Social Ontology. Our edition include (among others) contributions authored by Peter Hacker, Jennifer Hornsby, John Hyman, Michael Kober, Richard Rorty, Hans Rott, Gerhard Schurz, Barry Smith, Pirmin Stekeler-Weithofer, Franz Wimmer, and Kwasi Wiredu.

This volume collects work from contemporary philosophers and theologians regarding justifications for the existence of God. Both classical and new proofs of God s existence are presented and critically discussed. The contributions also deal with questions regarding what sense such justifications have and what sort of meaning can come from arguing for the rationality of religious belief."