Full Idea
The emergentism (of Searle), like ethical intuitionism, views mind-body supervenience as something that admits no explanation - it is a brute fact.
Gist of Idea
Emergentism says there is no explanation for a supervenient property
Source
Jaegwon Kim (Mind in a Physical World [1998], §1 p.013)
Book Reference
Kim,Jaegwon: 'Mind in the Physical World' [MIT 2000], p.13
A Reaction
This is why 'emergence' is no sort of theory, and is really old-fashioned dualism in a dubious naturalistic disguise. If mind 'emerges', there is presumably a causal mechanism for that.