Full Idea
For my money, the real problem with the term 'sum' is that it is singular.
Gist of Idea
The problem with the term 'sum' is that it is singular
Source
Verity Harte (Plato on Parts and Wholes [2002], 1.1)
Book Reference
Harte,Verity: 'Plato on Parts and Wholes' [OUP 2002], p.11
A Reaction
Her point is that the surface grammar makes you accept a unity here, with no account of what unifies it, or even whether there is a unity. Does classical mereology have a concept (as the rest of us do) of 'disunity'?