Full Idea
The main approaches to causation I shall refer to as direct realism, Humean reductionism, non-Humean reductionism, and indirect or theoretical realism.
Gist of Idea
Causation is either direct realism, Humean reduction, non-Humean reduction or theoretical realism
Source
Michael Tooley (Causation and Supervenience [2003], 2)
Book Reference
'The Oxford Handbook of Metaphysics', ed/tr. Loux,M /Zimmerman,D [OUP 2005], p.387
A Reaction
The first simply observes causation (Anscombe), the second reduces it to regularity (Hume), the third reduces it to other natural features (Fair, Salmon, Dowe), the fourth takes an instrumental approach (Armstrong, Tooley). I favour the third approach.