Single Idea 17973

[catalogued under 18. Thought / D. Concepts / 4. Structure of Concepts / c. Classical concepts]

Full Idea

It has been extremely difficult to find definitions for most natural categories, and even harder to find definitions that are plausible psychological representations that people of all ages would be likely to use.

Gist of Idea

The theoretical and practical definitions for the classical view are very hard to find

Source

Gregory L. Murphy (The Big Book of Concepts [2004], Ch. 2)

Book Reference

Murphy,Gregory L.: 'The Big Book of Concepts' [MIT 2004], p.38