ETIOLOGIC CLASSIFICATION AND THE ACQUISITION AND STRUCTURE OF KNOWLEDGE

Millikan's account of how we acquire our most basic concepts might be clarified by a better ontological taxonomy, especially one that distin guishes between natural kinds on the one hand and wholes composed of p orts on the other. The two have a different causal basis, which is imp ortant because once classification goes beyond the stage of naive indu ction, it becomes fundamentally etiological.