|Assertibility: in certain circumstances or in a historical situation the possibility to make a statement when the linguistic means are given.|
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Assertibility/Stroud: for assertibility but not for truth relevance of reasons plays a role. - Skepticism/Descartes/Stroud: has to do with truth conditions - not to do with assertibility conditions. - StroudVsAustin: he would have to show that a wrong usage of "knowledge" is present, not merely a redefinition.
The Significance of philosophical scepticism Oxford 1984