|Incommensurability: non-comparability. Expression by Thomas Kuhn (Th. Kuhn, The structure of scientific revolutions, 1962). Kuhn argues that scientific theories which are replaced in the course of time use terms which are altered in their meaning, and therefore make a comparison of, e.g. measurement results impossible and thus also a comparison of statements.|
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Incommensurability/Putnam: even before Kuhn in Saussure: basic units of language cannot be determined from the sounds -> Whorf: if individual languages have many quite different color predicates, then the meaning is reserved for individual languages . -> Idiolect
> DerridaVsWhorf: the meanings are not only individual languages but reserved for the individual texts. -> Deconstruction - DerridaVsSaussure: the concept of the sign can be completely forgotten. PutnamVsDerrida: he misunderstands Saussure's project of a theory of meaning.
Solution/Putnam: maintaining concept of meaning equality, but realizing that it may not be understood as in the sense of self-identity of objects and signified.
PutnamVsDerrida (How VsFodor): "meaning equality" is interest relative, and presupposes a normative judgment on rationality in a situation.
Incommensurabilityy/PutnamVsFeyerabend: it is contradictory to state, Galileo's concepts are incommensurable and then to describe them in detail afterwards. - One must also understand the old language to be able to say that the predictions are identical.
Von einem Realistischen Standpunkt Frankfurt 1993
Repräsentation und Realität Frankfurt 1999
Für eine Erneuerung der Philosophie Stuttgart 1997
Pragmatismus Eine offene Frage Frankfurt 1995
Vernunft, Wahrheit und Geschichte Frankfurt 1990