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 -- http://mail.python.org/mailman/listinfo/python-list
