Open AccessProceedings Article
Combining circumscription and modal logic
Jacques Wainer
- pp 648-653
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TLDR
The logic LKM will allow us to define circumscription of predicates that appear within the context of a modal operator, and can be seen as a method of extending any first-order nonmonotonic logic whose semantic definition is based on a partial-order among models into a new nonmonotsonic logic defined for amodal language.Abstract:
This paper discusses the logic LKM which extends circumscription into an epistemic domain. This extension will allow us to define circumscription of predicates that appear within the context of a modal operator. In fact, LKM can be seen as a method of extending any first-order nonmonotonic logic whose semantic definition is based on a partial-order among models, into a new nonmonotonic logic defined for a modal language, whose modal operator (K) follows an undedying S5 or weak-S5 semantics. One interesting use of this nonmonotonic logic is to model nonmonotonic aspects of the communication between agents.read more
References
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Journal ArticleDOI
Applications of circumscription to formalizing common-sense knowledge
TL;DR: A new and more symmetric version of the circumscription method of nonmonotonic reasoning first described in (McCarthy 1980) and some applications to formalizing common sense knowledge are presented.
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TL;DR: This research attempts to show how some of these patterns of reasoning can be captured using only the classical notions of logic, by extending a logic of belief so that it is possible to say that only a certain proposition is believed.