Nonmonotonic reasoning: From finitary relations to infinitary inference operations

Studia Logica 53 (2):161 - 201 (1994)
A. Tarski [22] proposed the study of infinitary consequence operations as the central topic of mathematical logic. He considered monotonicity to be a property of all such operations. In this paper, we weaken the monotonicity requirement and consider more general operations, inference operations. These operations describe the nonmonotonic logics both humans and machines seem to be using when infering defeasible information from incomplete knowledge. We single out a number of interesting families of inference operations. This study of infinitary inference operations is inspired by the results of [12] on nonmonotonic inference relations, and relies on some of the definitions found there.
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DOI 10.1007/BF01054708
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References found in this work BETA
Karl Schlechta (1991). Results on Infinite Extensions. Journal of Applied Non-Classical Logics 1 (1):65-72.

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Citations of this work BETA
Dongmo Zhang & Norman Foo (2001). Infinitary Belief Revision. Journal of Philosophical Logic 30 (6):525-570.

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