Full Idea
The problem of universals is the problem of how numerically different particulars can nevertheless be identical in nature, all be of the same 'type'.
Gist of Idea
The problem of universals is how many particulars can all be of the same 'type'
Source
David M. Armstrong (Nominalism and Realism [1978], p.41), quoted by DH Mellor / A Oliver - Introduction to 'Properties' §7
Book Reference
'Properties', ed/tr. Mellor,D.H. /Oliver,A [OUP 1997], p.14
A Reaction
A nice statement of the problem. As usual, the question is whether the 'sameness' is a feature of nature, or a product of human thought