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Indeterminacy / DennettVsPutnam: E.g. "cat", "Siamese": perhaps you simply note one day that one must make a distinction that was previously not necessary because the subject did not come up for discussion.
This uncertainty undermines Putnam s Twin Earth argument.
Darwins gefährliches Erbe Hamburg 1997
Spielarten des Geistes Gütersloh 1999