Full Idea
What determines the limits of admissible change and secures the identity of a continuant is a matter of the kind of object in question.
Gist of Idea
The limits of change for an individual depend on the kind of individual
Source
Peter Simons (Parts [1987], 9.6)
Book Reference
Simons,Peter: 'Parts: a Study in Ontology' [OUP 1987], p.353
A Reaction
This gives some motivation for the sortal view of essence, which I find hard to take. However, if my statue were pulverised it would make good compost.