Full Idea
If we are to 'judge' - rightly or not - that this object has a specific characteristic, it would seem that so far as the characteristic is concerned the process of abstraction must already be completed.
Gist of Idea
If judgement of a characteristic is possible, that part of abstraction must be complete
Source
H.H. Price (Thinking and Experience [1953], Ch.III)
Book Reference
Price,H.H.: 'Thinking and Experience' [Hutchinson 1953], p.75
A Reaction
Personally I think Price is right, despite the vicious attack from Geach that looms. We all know the experiences of familiarity, recognition, and identification that go on when see a person or picture. 'What animal is that, in the distance?'