Full Idea
One might well wonder whether talk of abstract entities is less a solution to the empiricist's problem of how a priori knowledge is possible than it is a label for the problem.
Gist of Idea
Talk of 'abstract entities' is more a label for the problem than a solution to it
Source
A.George / D.J.Velleman (Philosophies of Mathematics [2002], Intro)
Book Reference
George,A/Velleman D.J.: 'Philosophies of Mathematics' [Blackwell 2002], p.8
A Reaction
This pinpoints my view nicely. What the platonist postulates is remote, bewildering, implausible and useless!