Full Idea
Concepts which are indispensably useful for categorising, understanding, explaining, and predicting our sensory input are likely to be ones which map the structure of that input well.
Gist of Idea
The concepts we have to use for categorising are ones which map the real world well
Source
Carrie Jenkins (Grounding Concepts [2008], 4.6)
Book Reference
Jenkins,Carrie: 'Grounding Concepts' [OUP 2008], p.144
A Reaction
Anti-realists about classification seem to think that we just invent an array of concepts, and then start classifying with them. The truth seems to be that the actual classes of worldly thing have generated our concepts.