Full Idea
In the Gödelian realistic view of set theory the statement that there is a null set as the assertion of the existence in the real world of a set that has no members.
Gist of Idea
Realists about sets say there exists a null set in the real world, with no members
Source
Charles Chihara (A Structural Account of Mathematics [2004], 11.6)
Book Reference
Chihara,Charles: 'A Structural Account of Mathematics' [OUP 2004], p.343
A Reaction
It seems to me obvious that such a claim is nonsense on stilts. 'In the beginning there was the null set'?