Full Idea
The view I promote is one where the categorical base is a cause of the disposition manifestation.
Gist of Idea
I say the categorical base causes the disposition manifestation
Source
Stephen Mumford (Dispositions [1998], 05.5)
Book Reference
Mumford,Stephen: 'Dispositions' [OUP 1998], p.108
A Reaction
It seems to me (I think) that the most basic thing has to be a power, whose nature is intrinsically beyond our grasp, and that categorical properties are the result of these powers. Powers are dispositional in character.