Full Idea
Water has no potentiality to break. But water has a potentiality to be frozen and turn into ice, which does have a potentiality to break. So water has a potentiality to acquire a potentiality to break.
Gist of Idea
Water has a potentiality to acquire a potentiality to break (by freezing)
Source
Barbara Vetter (Potentiality [2015], 4.6)
Book Reference
Vetter,Barbara: 'Potentiality: from Dispositions to Modality' [OUP 2015], p.136
A Reaction
Thus potentially has an 'iterated' character to it, and an appropriate modal logic for it will have to allow for those iterations. She suggests a version of System T modal logic.
Related Idea
Idea 19021 I have an 'iterated ability' to learn the violin - that is, the ability to acquire that ability [Vetter]