Enumerating preferred extensions : a case study of human reasoning
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This paper seeks to better understand the links between human reasoning and preferred extensions as found within formal argumentation, especially in the context of uncertainty. The degree of believability of a conclusion may be associated with the number of preferred extensions in which the conclusion is credulously accepted. We are interested in whether people agree with this evaluation. A set of experiments with human participants is presented to investigate the validity of such an association. Our results show that people tend to agree with the outcome of a version of Thimm’s probabilistic semantics in purely qualitative domains as well as in domains in which conclusions express event likelihood. Furthermore, we are able to characterise this behaviour: the heuristics employed by people in understanding preferred extensions are similar to those employed in understanding probabilities.
Toniolo , A , Norman , T J & Oren , N 2018 , Enumerating preferred extensions : a case study of human reasoning . in E Black , S Modgil & N Oren (eds) , Theory and Applications of Formal Argumentation : 4th International Workshop, TAFA 2017, Melbourne, VIC, Australia, August 19-20, 2017, Revised Selected Papers . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) , vol. 10757 LNAI , Springer , Cham , pp. 192-210 , 4th International Workshop on Theory and Applications of Formal Argumentation, TAFA 2017 , Melbourne , Australia , 19/08/17 . https://doi.org/10.1007/978-3-319-75553-3_14workshop
Theory and Applications of Formal Argumentation
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