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 [email protected]
a2 Philosophy-Neuroscience-Psychology Program, Washington University in St. Louis, St. Louis, MO 63130 [email protected]


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.