Full Idea
Length is a 'determinable' property; being some particular length, such as a mile, is one of its 'determinates'.
Gist of Idea
Length is a 'determinable' property, and one mile is one its 'determinates'
Source
David M. Armstrong (Truth and Truthmakers [2004], 05.2.1)
Book Reference
Armstrong,D.M.: 'Truth and Truthmakers' [CUP 2004], p.62
A Reaction
The seem to be 'type' and 'token' properties, except that this other vocabulary indicates the link between them.
Related Idea
Idea 18379 The determinates of a determinable must be incompatible with each other [Armstrong]