HARRY AND PENGUINS IN FORMAL THEORY OF ARGUMENTATION
Elena Nikolaevna Lisanyuk
Institute of Philosophy, Russian Academy of Science, Moscow, Russia
Keywords: argumentation logic, dialectic, dispute resolution, non-monotonic logic, dialog
Abstract
We illustrate the functions of the concept of dispute in the formal theory of argumentation with the help of two well-known examples from the theory of argumentation: the example of Harry from Bermuda, used by S. Toulmin, and the example of Tweety the penguin, who does not fly, although it is a bird, used in non-monotonic logic. Reconstruction of these examples allows us to show the importance of the concept of dispute in the logic of argumentation for developing ways to solve the task of finding and selecting the strongest arguments with which the outcomes of argumentation between the parties can be identified. The solution of this task is a unification of the efforts of two leading areas of modern formal theory of argumentation - the argumentation logic and the dialectical theory of argumentation.
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