Full Idea
The prototype view has no trouble with either hierarchical structure or explaining categories. ...Meaning and conceptual combination provide strong evidence for prototypes.
Gist of Idea
The prototype theory handles hierarchical categories and combinations of concepts well
Source
Gregory L. Murphy (The Big Book of Concepts [2004], Ch.13)
Book Reference
Murphy,Gregory L.: 'The Big Book of Concepts' [MIT 2004], p.487
A Reaction
Prototypes are not vague, making clearer classification possible. A 'mountain lion' is clear, because its components are clear.