Full Idea
Some hold that the 'covering concept' completes the incomplete concept of identity, determining the kind of sameness involved. Others strongly deny the identity itself is incomplete, and locate the covering concept within the necessary act of reference.
Gist of Idea
Some say a 'covering concept' completes identity; others place the concept in the reference
Source
M.R. Ayers (Individuals without Sortals [1974], Intro)
Book Reference
-: 'Canadian Journal of Philosophy' [-], p.113
A Reaction
[a bit compressed; Geach is the first view, and Quine the second; Wiggins is somewhere between the two]