Frege’s Anti-Psychologism about Logic : the Relationship between Logic and Judgment

Philosophia 50 (5):2585-2596 (2022)
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Frege is an anti-psychologist about logic who takes logic to be sharply distinguished from psychology. However, Frege also takes judgment, which seems to be a subject of psychology, to be essential to logic. Van der Schaar attempts to explain away this tension by arguing that judgments relevant to logic in Frege are not mental actions psychology deals with. Against this reading, I show that for Frege, judgments are mental actions consistently. The tension in question should be explained away by clarifying the sense in which judgment is essential to logic for Frege. He takes judgment to be essential to logic because he thinks that logic requires judgments to be performed. Logic requires logicians to be committed to truth, and it is by judgments that we are committed to truth. If Frege takes judgment to be essential to logic only in this sense, he is not thereby committed to logical psychologism.



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Junyeol Kim
Chungbuk National University

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Uber Sinn und Bedeutung.Gottlob Frege - 1892 - Zeitschrift für Philosophie Und Philosophische Kritik 100 (1):25-50.
The Frege Reader.Gottlob Frege & Michael Beaney (eds.) - 1997 - Oxford, England: Blackwell.
Basic Laws of Arithmetic.Gottlob Frege - 2013 - Oxford, U.K.: Oxford University Press.
Funktion und Begriff.Gottlob Frege - 1891 - Jena: Hermann Pohle.
Posthumous Writings.Gottlob Frege - 1982 - Revue Philosophique de la France Et de l'Etranger 172 (1):101-103.

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