Defence date: 8 June 2012Examining Board: Professor Christine Chwaszcza, Univesität zu Köln, formely EUI (Supervisor) Professor Dennis Patterson, European University Institute Professor Steven Lukes, New York University Professor John Skorupski, University of St.Andrews.This thesis examines decision-making in value conflicts, and argues in favor of a unified approach to decision-making that accepts partial success of a plurality of decision-making methods, and that uses these as alternative heuristic tools the appropriateness of which is established and guided by interpretative and creative reasoning. This general conclusion is reached in numerous steps. First, an uncontroversial form of prima facie pluralism is accepted as the point of ...