Full Idea
Abstract entities (such as sets) are usually understood as lacking causes, effects, and spatio-temporal location.
Gist of Idea
Abstractions lack causes, effects and spatio-temporal locations
Source
DH Mellor / A Oliver (Introduction to 'Properties' [1997], §10)
Book Reference
'Properties', ed/tr. Mellor,D.H. /Oliver,A [OUP 1997], p.23
A Reaction
This seems to beg some questions. Has the ideal of 'honour' never caused anything? Young men dream of pure velocity.