I. PRATICAL REASON. On law and logic./ Nussbaum V.Derrida on pratical reason. / A proposal on action, freedom and meaning. / The theory/practice distinction shows up in practice: some thoughts on epistemology and the law. / Norm und situation. / Facts in science abd judicial decision justification.The distinction between contexts of discovery and justification, and the rationality of judicial decisions. / Gesellschaftliche rationalitat. Der M.Webersche Vorsschlag. II. HISTORY OF DEONTICS. Deontic logic vs. Deontics. / Leibniz on norms, actions and the normative foundations of law. / Gerhard Ledig’s contribution to deontics. / Jorgen Jorgensen’s thesis II. / Performativity in Jean-Louis Gardies. III.COMPUTER LAW. Network liability in electronic operations. / Law and information in technology: a philosophical problem? / A new european law of the information highways? / Multimedia and copyright. / The abuse of computing facilities and the problems posed by information highways: case studies of abusers inside and outside academe. / Contents of 17th IVR World Congress Proceedings.