Full Idea
If there is more to the nature of a property than the causal powers that it confers, then two different internal natures of properties might necessitate the same causal profile.
Gist of Idea
Could two different properties have the same causal profile?
Source
John Hawthorne (Causal Structuralism [2001], Intro)
Book Reference
Hawthorne,John: 'Metaphysical Essays' [OUP 2002], p.212
A Reaction
If the causal profiles were identical, it is hard to see how we could even propose, let alone test, their intrinsic difference. ...Unless, perhaps, we knew that the properties arose from different substrata.
Related Idea
Idea 15124 If properties are more than their powers, we could have two properties with the same power [Hawthorne]