Philosophical Studies

, Volume 139, Issue 2, pp 153–169

Theories of natural kind term reference and empirical psychology


DOI: 10.1007/s11098-007-9107-y

Cite this article as:
Jylkkä, J.W. Philos Stud (2008) 139: 153. doi:10.1007/s11098-007-9107-y


In this paper, I argue that the causal and description theories of natural kind term reference involve certain psychological elements. My main goal is to refine these theories with the help of empirical psychology of concepts, and to argue that the refinement process ultimately leads to the dissolution of boundaries between the two kinds of theories. However, neither the refined theories nor any other existing theories provide an adequate answer to the question of what makes natural kind terms rigid. To provide an answer to this question I conclude my paper by introducing a framework of a unified theory of natural kind term reference that is built on the empirical psychology of concepts.


Reference Description theory Causal theory Hybrid theory Qua problem Composition problem Rigidity Concepts Psychological essentialism Prototype theory Exemplar theory 

Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  1. 1.Department of PhilosophyUniversity of TurkuTurkuFinland

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