Full Idea
I agree fully with Boolos on substantive questions about plural quantification, though I would make less than he does of the connection with second-order logic.
Gist of Idea
I like plural quantification, but am not convinced of its connection with second-order logic
Source
David Lewis (Parts of Classes [1991], 3.2 n2)
Book Reference
Lewis,David: 'Parts of Classes' [Blackwell 1991], p.63
A Reaction
Deep matters, but my inclination is to agree with Lewis, as I have never been able to see why talk of plural quantification led straight on to second-order logic. A plural is just some objects, not some higher-order entity.