A First-Order Logic of Probability and Only Knowing in Unbounded Domains

Vaishak Belle, Gerhard Lakemeyer, Hector J. Levesque

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Only knowing captures the intuitive notion that the beliefs of an agent are precisely those that follow from its knowledge base. It has previously been shown to be useful in characterizing knowledge-based reasoners, especially in a quantified setting. While this allows us to reason about incomplete knowledge in the sense of not knowing whether a formula is true or not, there are many applications where one would like to reason about the degree of belief in a formula. In this work, we propose a new general first-order account of probability and only knowing that admits knowledge bases with incomplete and probabilistic specifications. Beliefs and non-beliefs are then shown to emerge as a direct logical consequence of the sentences of the knowledge base at a corresponding level of specificity.
Original languageEnglish
Title of host publicationProceedings of the Thirtieth AAAI Conference on Artificial Intelligence, February 12-17, 2016, Phoenix, Arizona, USA.
PublisherAAAI Press
Pages893-899
Number of pages7
Publication statusPublished - Feb 2016
EventThirtieth AAAI Conference on Artificial Intelligence - Phoenix, United States
Duration: 12 Feb 201617 Feb 2016
https://www.aaai.org/Conferences/AAAI/aaai16.php

Conference

ConferenceThirtieth AAAI Conference on Artificial Intelligence
Abbreviated titleAAAI-16
CountryUnited States
CityPhoenix
Period12/02/1617/02/16
Internet address

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