Under CopyrightGordon, T.F.T.F.Gordon2022-03-118.3.20122011https://publica.fraunhofer.de/handle/publica/37308810.24406/publica-r-37308810.1145/2018358.2018364The Carneades software system provides support for constructing, evaluating and visualizing arguments, using formal representations of facts, concepts, defeasible rules and argumentation schemes. This paper illustrates features of Carneades with a prototype legal application for analyzing open source software license compatibility issues in particular cases. The Carneades system provides a unique combination of features that make to our knowledge applications of this kind possible for the first time.encomputational models of argumentcopyright lawlegal knowledge representation004conference paper