#8383: Make symbolic versions of moebius, sigma, and euler_phi functions
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       Reporter:  zimmerma     |         Owner:  burcin  
           Type:  enhancement  |        Status:  new     
       Priority:  minor        |     Milestone:  sage-5.6
      Component:  symbolics    |    Resolution:          
       Keywords:  beginner     |   Work issues:          
Report Upstream:  N/A          |     Reviewers:          
        Authors:               |     Merged in:          
   Dependencies:               |      Stopgaps:          
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Comment (by afleckenstein):

 Is the best way to do this by just making all of the functions
 BuiltinFunctions? I'm trying to import BuiltinFunction in rings/arith.py,
 but when I do:

 {{{
 from sage.symbolic.function import BuiltinFunction
 }}}

 in rings/arith.py, I get the error:


 {{{
 ImportError: cannot import name QuotientRing
 Error importing ipy_profile_sage - perhaps you should run %upgrade?
 WARNING: Loading of ipy_profile_sage failed.
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8383#comment:11>
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