I guess some philosophers discuss whether in some exact location there is only

I guess some philosophers discuss whether in some exact location there is only one object, a statue, or two objects, the statue and the stone it is made of. Are there well-known philosophers who argue that this is a false question, a mere matter of choice of words, that there is no criterion to distinguish one object from two objects? Thank you.

Read another response by Charles Taliaferro, Stephen Maitzen
Read another response about Existence