On Jan 9, 7:03 pm, "William Stein" <wst...@gmail.com> wrote: > On Fri, Jan 9, 2009 at 6:42 PM, John H Palmieri <jhpalmier...@gmail.com> > wrote: > > > Here's another question: what is the most efficient way of testing > > whether one Set is a subset of another? I can do > > > S in list(T.subsets()) > > > -- and it's a bit frustrating that I can't do S in T.subsets() -- and > > I can also manipulate intersections, unions, differences, etc. I can > > also convert to python sets and use <=. Is there a preferred way? > > There should be an is_subset method, but mysteriously there isn't. Implement > it and send a patch.
Okay, then back to my question: what's the most efficient way of implement it? John --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---