Full Idea
Mereology tends to elide the distinction between the cards in a pack and the suits.
Gist of Idea
Mereology elides the distinction between the cards in a pack and the suits
Source
Michael Potter (Set Theory and Its Philosophy [2004], 02.1)
Book Reference
Potter,Michael: 'Set Theory and Its Philosophy' [OUP 2004], p.23
A Reaction
The example is a favourite of Frege's. Potter is giving a reason why mathematicians opted for set theory. I'm not clear, though, why a pack cannot have either 4 parts or 52 parts. Parts can 'fall under a concept' (such as 'legs'). I'm puzzled.