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23288 | When Tarski defines truth for different languages, how do we know it is a single concept? [Davidson] |
Full Idea: We have to wonder how we know that it is some single concept which Tarski indicates how to define for each of a number of well-behaved languages. | |
From: Donald Davidson (Truth Rehabilitated [1997], P.11) | |
A reaction: Davidson says that Tarski makes the assumption that it is a single concept, but fails to demonstrate the fact. This resembles Frege's Julius Caesar problem - of how you know whether your number definition has defined a number. |