Philosophy Lexicon of Arguments

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Goodman, Nelson
 
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Paradoxes II 93f
Rabenparadox/Hempel/Goodman: e.g. A given object (a piece of paper) is neither black nor a raven
which confirms the hypothesis:
All non-black objects are not ravens
but this hypothesis is logically equivalent to
"All ravens are black".
The ability to operate ornithology in the room should make unauthorized recourse to facts that are not mentioned in our example suspicious.
Even worse:
Anything that is not a raven is not black.
Everything that is not black is not a raven.
Nothing is black or a raven. (> Not ravens).
Our definition has the fault that it does not require to consider all existing data.

G I
N. Goodman
Weisen der Welterzeugung Frankfurt 1984

G II
N. Goodman
Tatsache Fiktion Voraussage Frankfurt 1988

G III
N. Goodman
Sprachen der Kunst Frankfurt 1997

G IV
N. Goodman/K. Elgin
Revisionen Frankfurt 1989


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Ed. Martin Schulz, access date 2017-03-30