Full Idea
The fact that there is overlap does not seem to inhibit our ability to count squares.
Gist of Idea
We can still count squares, even if they overlap
Source
Kathrin Koslicki (Isolation and Non-arbitrary Division [1997], 2.2)
Book Reference
-: 'Synthese' [-], p.411
A Reaction
She has a diagram of three squares overlapping slightly at their corners. Contrary to Frege, these seems to depend on a subliminal concept of the square that doesn't depend on language.
Related Idea
Idea 17427 Frege's 'isolation' could be absence of overlap, or drawing conceptual boundaries [Frege, by Koslicki]