Behavioral and Brain Sciences

Short Communication

Psychologism and conceptual semantics

Luke Jerzykiewicz a1 and Sam Scott a2
a1 Cognitive Science Department, Carleton University, Ottawa K1S 5B6, Canada
a2 Philosophy-Neuroscience-Psychology Program, Washington University in St. Louis, St. Louis, MO 63130


Psychologism is the attempt to account for the necessary truths of mathematics in terms of contingent psychological facts. It is widely regarded as a fallacy. Jackendoff's view of reference and truth entails psychologism. Therefore, he needs to either provide a defense of the doctrine, or show that the charge doesn't apply.