#12747: is_R_algebra is useless and wrong and should be deleted
-----------------------+----------------------------------------------------
   Reporter:  JStarx   |             Owner:  AlexGhitza     
       Type:  defect   |            Status:  new            
   Priority:  minor    |         Milestone:  sage-5.0       
  Component:  algebra  |          Keywords:  algebra, all.py
Work issues:           |   Report Upstream:  N/A            
  Reviewers:           |           Authors:  Jim Stark      
  Merged in:           |      Dependencies:                 
   Stopgaps:           |  
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 In algebras/all.py we find the following function:

 {{{
 def is_R_algebra(Q, R):
     # TODO: do something nontrivial when morphisms are defined.
     return True
 }}}

 A search of the source shows that this function is not used anywhere else
 in sage, and good thing too, cause it's obviously wrong.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12747>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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