Philosophy Lexicon of Arguments

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Inserting: in a formula an icon can be replaced under certain conditions by another icon. E.g. inserting a constant for a variable will make a propositional function become a sentence. See also substitutability, substitution, validity, statements, propositional functions.
 
Author Item Excerpt Meta data
Frege, Gottlob
 
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Substitution (Insertion) Berka I 100
Inserting / Substitution / Frege: because in the expression F (A) (" function of A") F occurs at one point and we can think of it as replaced by other characters Y, X - there (this would have other functions of the argument A) we can interpret F (A) as a function of the argument F - key point for insertion - (s) "Whatever a function of A"? - ((s) on the argument place of F isomething else is inserted.)

F I
G. Frege
Die Grundlagen der Arithmetik Stuttgart 1987

F II
G. Frege
Funktion, Begriff, Bedeutung Göttingen 1994

F IV
G. Frege
Logische Untersuchungen Göttingen 1993

Brk I
K. Berka/L. Kreiser
Logik Texte Berlin 1983


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