Full Idea
While the non-reductive physicalist believes that mental/physical supervenience must be explained, the emergentist is willing to accept it as a fact of nature.
Clarification
'Supervenience' is a relationship of an inextricable link
Gist of Idea
Non-reductive physicalism seeks an explanation of supervenience, but emergentists accept it as basic
Source
Tim Crane (Elements of Mind [2001], 2.18)
Book Reference
Crane,Tim: 'Elements of Mind' [OUP 2001], p.66
A Reaction
A good reason not to be an emergentist. No philosopher should abandon the principle of sufficient reason.