On the existence and multiplicity of extensions in dialectical argumentation.

@inproceedings{Verheij2002OnTE,
  title={On the existence and multiplicity of extensions in dialectical argumentation.},
  author={Bart Verheij},
  booktitle={NMR},
  year={2002}
}
In the present paper, the existence and multiplicity problems of extensions are addressed. The focus is on extension of the stable type. The main result of the paper is an elegant characterization of the existence and multiplicity of extensions in terms of the notion of dialectical justification, a close cousin of the notion of admissibili ty. The characterization is given in the context of the particular logic for dialectical argumentation DEFLOG. The results are of direct relevance for… CONTINUE READING
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