Philosophy Lexicon of Arguments

Number (Anzahl, amount): Result of counting unlike a number that has not yet been determined. Frege used "Anzahl" (amount) to define numbers.

Author Item Excerpt Meta data
Hilbert, D.

Books on Amazon
Number of (Amount) Berka I 121
Definition Anzahl/original German: Amount/Number/extendend function calculus/Hilbert:(extendend function calculus: here also formulas are possible, which do not depend on any variables, which represent thus certain statements, for these one has to determine their correctness or falsehood.)

Definition number: a number is not an object, but a property. The individuals to whom a number belongs to as a property cannot be the counted things themselves, since each of the things is only one, so that a number that is different from one could not occur at all.

Correct: For example, it is a property of the predicate "being continent of the earth", which is true for exactly five individuals.
Numbers/Hilbert: numbers also appear as qualities of predicates.
Definition onself number/Hilbert: individual predicate function. In the extendend function calculus: ?? ?? ?? ?? ...................................... Will it be possible to include the number theory into the logic .
The numbers 0,1,2 are the functions 0 (F), 1 (F), 2 (F), etc.

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

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Ed. Martin Schulz, access date 2017-04-30