What do you mean?
It’s one of the points I disagreed with him on (his line between “exists” and “not exists” seems arbitrary, like he is forcing a particular layer of abstraction), and it somewhat undermined his bigger argument about the nature of the self in Reasons and Persons.
In some ways, France is more real than people comprising it. In almost every way, a chair is more real than particles or fields that it can be modeled as.
That probably just means our theory of physics (that only explains 4% of the observable universe) is wrong.
Beercrashion: the tendency of some specific wooden structures to serve a peripheral function to some creatures as a comfortable buffer between them and the surface beneath them often called ground.