Although, when I learned foundations of mathematics, every function was a set, and if you wanted them, you'd get plenty of junk theorems from that fact.
"Everything is an object" is for boys, "everything is the empty set composed with copies of itself via the axiom of pairing" is for men ;)
"Everything is an object" is for boys, "everything is the empty set composed with copies of itself via the axiom of pairing" is for men ;)