#17659: make symbolic series subclass of Expression
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       Reporter:  rws    |        Owner:
           Type:         |       Status:  needs_review
  enhancement            |    Milestone:  sage-6.5
       Priority:  major  |   Resolution:
      Component:         |    Merged in:
  symbolics              |    Reviewers:
       Keywords:         |  Work issues:
        Authors:  Ralf   |       Commit:
  Stephan                |  ed003f04b1eefba775e841c0dbfaffdb66d0953a
Report Upstream:  N/A    |     Stopgaps:
         Branch:         |
  u/rws/17659            |
   Dependencies:         |
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Comment (by rws):

 Replying to [comment:8 nbruin]:
 > You'd need to think if this refactoring actually will help for further
 development.
 It isolates the code and the documentation.
 > Indeed, being a "series" seems a rather fickle property. It doesn't seem
 to be preserved under anything:
 There are functions in `pynac-0.3.2/ginac/pseries.cpp` to compare, add,
 multiply (also with constant), power (to constant). My plan is to only
 provide conversion to and from `PowerSeries` and fix the worst bugs and
 that's it. I'd rather improve `PowerSeries` but symbolic is what people
 use.

--
Ticket URL: <http://trac.sagemath.org/ticket/17659#comment:9>
Sage <http://www.sagemath.org>
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