The Logic of the Knowledge Norm of Assertion

The Logic of the Knowledge Norm of Assertion The knowledge norm of assertion is the subject of a lively debate on when someone is in a position to assert something. However, not much has been said about the logic that underlies such debate. In this paper, I propose a formalisation of the knowledge norm in a deontic logic that aims to be explanatory and conceptually sound. Afterwards, I investigate some problems that this formalisation makes visible. This reveals some significant limitations of the underlying logic: it can neither contain Axiom 4 (transitivity) nor Axiom C4 (density). Moreover, sentences of the form p and I have not asserted that p appear to licence a violation of deontic rules. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thought: A Journal of Philosophy Wiley

The Logic of the Knowledge Norm of Assertion

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Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
© 2018 The Thought Trust and Wiley Periodicals, Inc.
ISSN
2161-2234
eISSN
2161-2234
D.O.I.
10.1002/tht3.268
Publisher site
See Article on Publisher Site

Abstract

The knowledge norm of assertion is the subject of a lively debate on when someone is in a position to assert something. However, not much has been said about the logic that underlies such debate. In this paper, I propose a formalisation of the knowledge norm in a deontic logic that aims to be explanatory and conceptually sound. Afterwards, I investigate some problems that this formalisation makes visible. This reveals some significant limitations of the underlying logic: it can neither contain Axiom 4 (transitivity) nor Axiom C4 (density). Moreover, sentences of the form p and I have not asserted that p appear to licence a violation of deontic rules.

Journal

Thought: A Journal of PhilosophyWiley

Published: Jan 1, 2018

Keywords: ; ; ;

References

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