Is it possible to define substitution rule with undefined variables ?
like,
s={y:x}
where y and x are yet undefined.
thanks,
Pallab-- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
