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|Index Words||Frank I 684
Index Words/Indexical Specification/Mental States/Twin Earth/Burge/Bruns:
a) the mental states are identified with indexical expressions: e.g. "this is water". (Individuation).
b) non-indexically identified: e.g. "water is a liquid".
Conclusion: if non-indexical, then they cannot be used to explain behavior, because they do not individuate their content.
BurgeVsPutnam: although he does not deal with any beliefs, his argument only works, because he analyzes terms expressing natural kinds like indexical terms.
Frank I, 685
Burge thesis: even in the individuation of non-indexical mental states reference must be made to external objects. "Anti-individualism" (= externalism). Narrow content is not sufficient for individuation, they must rather be defined by "broad content".
Content/Twin Earth/Burge/Bruns: if there is no aluminum on the twin earth, Hermann's conviction that aluminum is a metal has a different content. (DavidsonVs: you can also understand "moon" without ever having seen it).
Neither he nor his doppelganger know the atomic structure of aluminum or twin-earth aluminum.
Burge's argument now depends entirely on whether we are ready to attribute convictions about the corresponding light metals to the two.
Frank I 707
"Here"/Twin Earth/Burge: I know I am here (differently: on the earth!).
My knowledge involves more than the mere knowledge that I know that I am where I am.
I have the normal ability to think about my environment. And I have this knowledge, because I perceive my own - and not other imaginable environments.
Origins of Objectivity Oxford 2010
M. Frank (Hrsg.)
Analytische Theorien des Selbstbewusstseins Frankfurt 1994