1. Afshar F, Yearwood J, Stranieri A (2002) Capturing consensus knowledge from multiple experts. In: Bramer M (eds) Research and development in intelligent systems XIX. Springer-Verlag, London
2. Alexy R (1989) A theory of legal argumentation: the theory of rational discourse as theory of legal justification. Clarendon Press, Oxford
3. Alvarado SJ (1990) Understanding editorial text: a computer model of argument comprehension. Kluwer Academic Publishers, Norwell
4. Antoniou G (1997) Nonmonotonic reasoning with incomplete and changing information. MIT Press, Cambridge, Mass
5. Aristotle (1928) The works of Aristotle, i. Logic (trans: Pickard-Cambridge WA). Chap. Topica, Clarendon Press, Oxford, p 100