sage: (-x +y == 0) in [x -y == 0] True ^^^ should be
sage: (-x +y < 0) in [x -y < 0] True -- 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
