In article <mailman.3549.1352601828.27098.python-l...@python.org>, Ian Kelly <ian.g.ke...@gmail.com> wrote:
> On Sat, Nov 10, 2012 at 7:13 PM, Chris Angelico <ros...@gmail.com> wrote: > > I would not assume that. The origin is a point, just like any other. > > With a Line class, you could deem a zero-length line to be like a > > zero-element list, but Point(0,0) is more like the tuple (0,0) which > > is definitely True. > > It's more like the number 0 than the tuple (0,0). > > 0 is the origin on a 1-dimensional number line. > (0,0) is the origin on a 2-dimensional number plane. > In fact, it might be pointed out that Point(0, 0) is a generalization > of 0+0j, which is equal to 0. If (0,0) is the origin on a plane, then (0,) should be the origin on a line. If you consider 0 + 0j to be the origin of a plane, then 0 is the origin of a line. Either way is plausible, but you need to be consistent. -- http://mail.python.org/mailman/listinfo/python-list
