No.13405166 ViewReplyOriginalReport
>>13405142
It's not fully clear to me what you want. E.g. why you're treating several n's at the same time. Or whether the index k enumerates points or coordinates.
The \forall at the beginning of the set comprehension is weird.

PS you can use \mid as bar, as in

\{u \in U \mid \mathrm{funky}(u, X) > 3 \}