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Full Idea
Many concepts have no prototypes; and there are many complex concepts whose prototypes aren't related to the prototypes of their constituents in the way compositional explanation of productivity and systematicity requires.
Gist of Idea
Many concepts lack prototypes, and complex prototypes aren't built from simple ones
Source
Jerry A. Fodor (Concepts:where cogn.science went wrong [1998], Ch.5)
Book Ref
Fodor,Jerry A.: 'Concepts: where cognitive science went wrong' [OUP 1998], p.100
A Reaction
His favourite example of the latter is 'pet fish', where the prototype of 'pet' is hardly ever a fish, and the prototype of 'fish' is usually much bigger than goldfish. Fodor is arguing that concepts are atomic.
| 6650 | Fodor is now less keen on the innateness of concepts [Fodor, by Lowe] |
| 12616 | English has no semantic theory, just associations between sentences and thoughts [Fodor] |
| 12613 | Empiricists use dispositions reductively, as 'possibility of sensation' or 'possibility of experimental result' [Fodor] |
| 12617 | Associationism can't explain how truth is preserved [Fodor] |
| 12615 | Mental representations are the old 'Ideas', but without images [Fodor] |
| 12614 | I prefer psychological atomism - that concepts are independent of epistemic capacities [Fodor] |
| 12618 | It is essential to the concept CAT that it be satisfied by cats [Fodor] |
| 12619 | We have no successful definitions, because they all use indefinable words [Fodor] |
| 12620 | If 'exist' is ambiguous in 'chairs and numbers exist', that mirrors the difference between chairs and numbers [Fodor] |
| 12621 | Definable concepts have constituents, which are necessary, individuate them, and demonstrate possession [Fodor] |
| 12622 | Many concepts lack prototypes, and complex prototypes aren't built from simple ones [Fodor] |
| 12623 | The theory theory can't actually tell us what concepts are [Fodor] |