Philosophy Lexicon of Arguments

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Geach, Peter T.
 
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Intentionality I 132
Intentionality/Geach: three-digit relation: person-verb-object. - E.g. For a z, z is a man and I saw z in Oxford under the aspect: "ran past". - GeachVsBuridan: "ratio", "appeals to", "regard": here there are no identity conditions. - There is no need for the subject to be perceived under this aspect. - E.g. Buridan: Socrates knows that some stars are above the horizon." - Geach: Suppose, Socrates is in the jungle, from which does he know?
Buridan: "of those who are it". - GeachVs: only of "some", not e.g. from the constellation Aries (false aspect). - Incorrect complex expression: "Socrates, knows that Aries over ..." - GeachVsBuridan: exploits here the peculiarity of "know". (from knowledge follows truth).
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I 137
Intentional Identity/Intentionality/Geach: E.g.
1. "There is a poet whom Smith and Brown admire" - or
2. "Smith and Brown admire both the same poet"
The latter would also be true if it was a high-stacker.
"Under the description"/Aspect: Problem: E.g. Smith dreamed of the world's fattest woman, who is actually red-haired, but in the dream she was bald. - The medieval problems are still not solved today. - ((s)> de re,> de dicto).

Gea I
P.T. Geach
Logic Matters Oxford 1972


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Ed. Martin Schulz, access date 2017-03-23