On Mon, Sep 21, 2009 at 6:12 AM, kcrisman <kcris...@gmail.com> wrote: > > Somewhat relevant, though not necessarily something we want to > implement in Sage, is Conway's (and others') suggestion that -1 should > be prime. See among others this thread at the mathforum, which at > times would put sage-flame to shame :) though apparently all in good > fun (?) and includes this neat restatement: "The multiplicative group > of the non-zero rationals is the direct product of the cyclic > subgroups generated by "my" primes, namely -1,2,3,5,... ." > > - kcrisman
-1 to -1 being prime. :-) --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---