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Published in:
2011 | OriginalPaper | Chapter
Capturing Lewis’s “Elusive Knowledge”
Author : Zhaoqing Xu
Published in: Logic, Rationality, and Interaction
Publisher: Springer Berlin Heidelberg
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David Lewis developed one of the most prominent versions of epistemic contextualism (EC) in
Elusive Knowledge
[2], which is also known as a version of relevant alternatives theory (RAT). In this work, I propose a simple formalization of Lewis account, which results in our basic Lewisian epistemic logic (LEL). Trivial as it may seem, my formalization focuses directly on Lewis’s theory, and thus provides a firm basis to discuss his theses on anti-skepticism, infallible knowledge, rules of relevance, and especially “knowledge without belief”. Moreover, my formalization not only avoids problems of two former existed formalizations [1],[3], but also partly answers Holliday’s question how a relevant alternatives theorist should handle higher-order knowledge [1].