Proposal: s1.intersects(s2)

David Abrahams dave at
Fri Jul 6 03:00:53 CEST 2007

on Thu Jul 05 2007, Christoph Zwerschke <> wrote:

> 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.

Doesn't read so well as a method, though.  You end up with

Dave Abrahams
Boost Consulting

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