|Idiolect: An idiolect is a language spoken in a particular subgroup of a language community. In extreme cases this can be a single subject. One problem is the clarification of the word meanings and thus the possible determination of truth values (true, false) of statements.|
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DavidsonVsTarski: the actually spoken language is ultimately irrelevant.
DavidsonVs social character of meaning: even idiolect is principally interpretable (via causal hypotheses)
Truth / language / Davidson: because of the sincerity condition truth is relativized on language of the speaker, otherwise the behavior provides no evidence.
Der Mythos des Subjektiven Stuttgart 1993
Handlung und Ereignis Frankfurt 1990
Wahrheit und Interpretation Frankfurt 1990