Full Idea
It is possible for an object to have a disposition even though the relevant conditional is false.
Gist of Idea
An object can have a disposition when the revelant conditional is false
Source
Trenton Merricks (Truth and Ontology [2007], 7.III)
Book Reference
Merricks,Trenton: 'Truth and Ontology' [OUP 2007], p.159
A Reaction
This is the now standard observation that finks (killing the disposition) and antidotes (blocking the effect of the disposition) can intervene, as in safety mechanisms in electrical gadgets. There may be replies available here.