#13965: BooleanPolynomialRing.remove_var(...) does not return a
BooleanPolynomialRing
-----------------------------------+----------------------------------------
   Reporter:  Bouillaguet          |             Owner:  malb    
       Type:  defect               |            Status:  new     
   Priority:  major                |         Milestone:  sage-5.7
  Component:  commutative algebra  |          Keywords:          
Work issues:                       |   Report Upstream:  N/A     
  Reviewers:                       |           Authors:          
  Merged in:                       |      Dependencies:          
   Stopgaps:                       |  
-----------------------------------+----------------------------------------
 {{{
 sage: P.<x,y,z,w> = BooleanPolynomialRing()
 sage: P
 Boolean PolynomialRing in x, y, z, w
 }}}
 and :
 {{{
 sage: P.remove_var('x')
 Multivariate Polynomial Ring in y, z, w over Finite Field of size 2
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13965>
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