Full Idea
Categories we use to describe and explain our universe do not line up in the neat way reductive schemes require.
Gist of Idea
Our categories lack the neat arrangement needed for reduction
Source
John Heil (The Universe as We Find It [2012], 13.2)
Book Reference
Heil,John: 'The Universe as We Find It' [OUP 2012], p.279
A Reaction
He takes reduction to be largely a relation between our categories, rather than between entities, so he is bound to get this result. He may be right.