Full Idea
Potentialities may get exercised despite having a degree that is too low for them to qualify as dispositions.
Gist of Idea
Potentialities may be too weak to count as 'dispositions'
Source
Barbara Vetter (Potentiality [2015], 5.7.4)
Book Reference
Vetter,Barbara: 'Potentiality: from Dispositions to Modality' [OUP 2015], p.183
A Reaction
The key reason why her book is called 'Potentialities', rather than 'Dispositions'. She still wants to offer a naturalistic picture which ties potentialities to individual objects, but I am wondering whether potentialities are too abstract for the job.