#7538: equality of posets is broken !
-----------------------------+----------------------------------------------
   Reporter:  hivert         |       Owner:  mhansen       
       Type:  defect         |      Status:  new           
   Priority:  major          |   Milestone:  sage-4.3      
  Component:  combinatorics  |    Keywords:  posets        
Work_issues:                 |      Author:  Florent Hivert
   Upstream:  N/A            |    Reviewer:                
     Merged:                 |  
-----------------------------+----------------------------------------------
 It answer always true if two posets have the same size:
 {{{
 sage: p1 = Posets(2)[0]; p2 = Posets(2)[1]
 sage: p1.cover_relations()
 []
 sage: p2.cover_relations()
 [[0, 1]]
 sage: p1 == p2
 True
 }}}

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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7538>
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