In sage the types are not that important (it is just an implementation detail), but the parent of an object is since that says what the mathematical meaning of an object is. Try:
q=p.parent()(q) -- 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 URL: http://www.sagemath.org
