Full Idea
Supervenience is just a kind of modal connection.
Gist of Idea
Supervenience is a modal connection
Source
Theodore Sider (Writing the Book of the World [2011], 09.10)
Book Reference
Sider,Theodore: 'Writing the Book of the World' [OUP 2011], p.198
A Reaction
It says what would happen, as well as what does. This is big for Sider because he rejects modality as a feature of actuality. I think the world is crammed full of modal facts, so supervenience should be a handy tool for me.