Full Idea
The categories embedded in a higher-level science (psychology, for instance) designate genuine properties of objects, which are not reducible to properties found in sciences at lower levels.
Gist of Idea
Higher-level sciences designate real properties of objects, which are not reducible to lower levels
Source
John Heil (Philosophy of Mind [1998], Ch.4)
Book Reference
Heil,John: 'Philosophy of Mind' [Routledge 1998], p.117
A Reaction
This isn't an argument against reductionism. It is obviously true that someone with a physics degree won't make a good doctor. It's these wretched 'property' things again. Is 'found repulsive by me' a property terrorists?