Philosophy Lexicon of Arguments

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Universal instantiation, logic: on the condition that all objects x have the property F, one can conclude that a particular object, which can be designated, has the property F. See also universal generalization, existential generalization.
 
Author Item Excerpt Meta data
Quine, Willard Van Orman
 
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Universal Instantiation VII 146
Definition Universal Instantiation/Quine: E.g. from everything is identical with itself, or (x) (x = x), we conclude Socrates = Socrates. - This is together with the existential generalization two aspects of the same principle - but not if the terms denote nothing. - E.g. Giorgione disappears (falsely) as opaque context in existential generalization: (Ex) (x has 6 letters) words: Something has 6 letters. - Even worse: it contains 6 letters - the prefix there is simply irrelevant, the sentence is just wrong.

Q I
W.V.O. Quine
Wort und Gegenstand Stuttgart 1980

Q II
W.V.O. Quine
Theorien und Dinge Frankfurt 1985

Q III
W.V.O. Quine
Grundzüge der Logik Frankfurt 1978

Q IX
W.V.O. Quine
Mengenlehre und ihre Logik Wiesbaden 1967

Q V
W.V.O. Quine
Die Wurzeln der Referenz Frankfurt 1989

Q VI
W.V.O. Quine
Unterwegs zur Wahrheit Paderborn 1995

Q VII
W.V.O. Quine
From a logical point of view Cambridge, Mass. 1953

Q VIII
W.V.O. Quine
Bezeichnung und Referenz
In
Zur Philosophie der idealen Sprache, J. Sinnreich (Hg), München 1982

Q X
W.V.O. Quine
Philosophie der Logik Bamberg 2005

Q XII
W.V.O. Quine
Ontologische Relativität Frankfurt 2003


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Ed. Martin Schulz, access date 2017-04-27