Full Idea
From the emergentist point of view, the reductionists bridge laws are precisely what need to be explained. Why do these mental-physical correlations hold?
Gist of Idea
The core of the puzzle is the bridge laws between mind and brain
Source
Jaegwon Kim (Philosophy of Mind [1996], p.229)
Book Reference
Kim,Jaegwon: 'Philosophy of Mind' [Westview 1998], p.229
A Reaction
Everyone is happy with the bridge laws from chemistry to physics, but no one knows (deep down) why those exact laws hold. We need to understand what consciousness is; its cause will then, I think, become apparent.