Full Idea
The idea of a predicate is correlative with a range of distinguishable individuals of which the predicate can be significantly, though not necessarily truly, affirmed.
Gist of Idea
The idea of a predicate matches a range of things to which it can be applied
Source
Peter F. Strawson (Individuals:Essay in Descript Metaphysics [1959], 3.4 n1)
Book Reference
Strawson,Peter F.: 'Individuals: Essay in Descriptive Metaphysics' [Methuen University 1974], p.99
A Reaction
Said to be one of Strawson's most important ideas. The idea is that you understand a predicate if you understand its range, not just a one-off application. So you must understand the implied universal, whatever that is.