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Research Report CS-RR-173

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Ian P. Gent, Finding Problems in Knowledge Bases Using Modal Logics (February 1, 1991).

Abstract

In this paper I propose that it is suitable to consider some statements that an expert makes during knowledge elicitation as being statements in a modal logic. This approach gives us several advantages in finding inconsistencies between a knowledge base and an expert's intuition in her field. I illustrate this approach by using the modal logic VC, a logic of counterfactual conditionals. In an appendix, I give brief details of theorem proving in VC

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