Full Idea
The central notion of philosophy since Kant is 'correlation' - that we only ever have access to the correlation between thinking and being, and never to either term considered apart from the other.
Gist of Idea
Since Kant we think we can only access 'correlations' between thinking and being
Source
Quentin Meillassoux (After Finitude; the necessity of contingency [2006], 1)
Book Reference
Meillassoux: 'After Finitude: the necessity of contingency', ed/tr. Brassier,R [Bloomsbury 2008], p.5
A Reaction
Meillassoux's charge is that philosophy has thereby completely failed to grasp the scientific revolution, which has used mathematics to make objectivity possible. Quine and Putnam would be good examples of what he has in mind.