Hi, Le dimanche 5 novembre 2017 15:14:16 UTC+1, Ralf Stephan a écrit : > > A bit more tricky are the reals: > sage: Set(RealSet(-oo,oo)) > Set of elements of (-oo, +oo) > > Well, this one is maybe too tricky: sage: R = Set(RealSet(-oo,oo)) sage: R.an_element() (-oo, +oo) ???
In passing, we may also note that sage: RealSet(-oo,+oo).an_element() ... SignError: cannot add infinity to minus infinity Eric. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
