Full Idea
Though categorical properties provide explanations for dispositions, categorical properties are also explained by dispositions; hence neither category uniquely explains the other.
Gist of Idea
Categorical properties and dispositions appear to explain one another
Source
Stephen Mumford (Dispositions [1998], 05.3)
Book Reference
Mumford,Stephen: 'Dispositions' [OUP 1998], p.101
A Reaction
The conclusion doesn't seem to follow. It depends which one is found at the bottom level. It can go up from a basic disposition, to a categorical property, to another disposition - or the other way around.