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.
Thought: A Journal of Philosophy – Wiley
Published: Jan 1, 2018
Keywords: ; ; ;
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