A Sphere World Semantics for Default Reasoning

作者: João C. P. Silva , Sheila R. M. Veloso

DOI: 10.1007/3-540-59487-6_13

关键词:

摘要: The purpose of this paper is to show that we can consider an extension a Reiter's default theory (W,Δ) as the expansion (belief) set W by some maximal D consequences defaults in Δ. We will use model revision functions proposed Grove [13] characterize models extensions logic [24], showing class obtain special case when (i.e., new sentence A added belief K and no deleted), logic. Furthermore, Poole's system for reasoning be characterized same way.

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