See also
*References
* W. Marek and M. Truszczynski (1993). ''Nonmonotonic Logics: Context-Dependent Reasoning''. Springer. * R. Reiter and G. Criscuolo (1981). On interacting defaults. In '' Proceedings of the Seventh International Joint Conference on Artificial Intelligence (IJCAI'81)'', pages 94–100.External links