On Thursday, August 29, 2013 2:08:49 AM UTC-7, Simon King wrote: > > Hi Robert, hi Stefan, > > >
> If I am not mistaken, containment in sets and dicts relies on cmp and > not on ==. Hence, in this case, I think the hash is not to blame. > Indeed, comparing using == works: sage: H5.<a,b,c> = FractionField(PolynomialRing(ZZ, ['a', 'b', 'c'])) sage: S = set([1/(1-c)]) sage: (-1)/(c-1) in S False sage: [(-1)/(c-1) == _ for _ in S] [True] sage: any([(-1)/(c-1) == _ for _ in S]) True -- John -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/groups/opt_out.
