Proposal: s1.intersects(s2)

[Christoph Zwerschke]

Steven D'Aprano wrote:
> I'm not a professional set theorist, but in 15-odd years of studying and
> teaching maths I've never come across mathematicians using intersect as a
> verb except as informal short-hand. I often say "North Street and South
> Street don't intersect", but "the intersection of sets A and B is empty".

I think mathematicians use more often the inverse predicate, namely 
"disjoint", which is well defined as having an empty intersection.

-- Chris