Full Idea
We can quantify over Meinongian objects by quantifying for real over property bundles (such as the bundle of roundness and squareness).
Gist of Idea
We could quantify over impossible objects - as bundles of properties
Source
David Lewis (Noneism or Allism? [1990], p.159)
Book Reference
Lewis,David: 'Papers in Metaphysics and Epistemology' [CUP 1999], p.159