The Negation of Number 2 in Grundgesetze e § 46 de Grundlagen: Reply to Pedro Barbalho
DOI:
https://doi.org/10.5007/1808-1711.2023.e95358Keywords:
Frege, Negation, Number, Predication of second orderAbstract
In his comment on my article A Negação Fregeana do Número 2, Pedro Barbalho has criticized my attempt to show that, given the reconstruction of the syntax and the semantics of the system in Grundgesetze that I have presented in a former paper, Frege’s assumption that “|Ø-- 2” is a well-formed expression having both a sense and as reference can be satisfactorily explained. Pedro Barbalho offers an alternative explanation that is suggested by Frege’s claim in Grundlagen that a statement of number contains an assertion about a concept that I did not consider. In this reply my aim is to show that this strategy for making sense of “|Ø-- 2” does not actually work.
References
Barbalho, P. A. O. 2023. Resenha do artigo: Dirk Greimann. A Negação Fregeana do Número 2. O que nos faz pensar, v.17, n.23, p. 41-50, jun. 2008. Principia 27(2).
Frege, G. 1961 [1884]. Die Grundlagen der Arithmetik. Eine logisch mathematische Untersuchung über den Begriff der Zahl. Darmstadt: Wissenschaftliche Buchgesellschaft.
Frege, G. 1962 [1893]. Grundgesetze der Arithmetik. Begriffsschriftlich abgeleitet, Band 1. Darmstadt: Wissenschaftliche Buchgesellschaft.
Greimann, D. 2000. The Judgement-Stroke as a Truth-Operator: A New Interpretation of the Logical Form of Sentences in Frege’s Scientific Language. Erkenntnis 52: 213-238.
Greimann, D. 2008. A Negação Fregeana do Número 2. O Que Nos Faz Pensar 17: 41-50.
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