on Thu Jul 05 2007, Christoph Zwerschke <cito-AT-online.de> 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 "a.is_disjoint_with(b)." -- Dave Abrahams Boost Consulting http://www.boost-consulting.com The Astoria Seminar ==> http://www.astoriaseminar.com -- http://mail.python.org/mailman/listinfo/python-list