#16954: Game Theory: Build class for normal form games as well as ability to 
obtain
Nash equilibria
-------------------------------------+-------------------------------------
       Reporter:  vinceknight        |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.4
      Component:  game theory        |   Resolution:
       Keywords:  Game Theory,       |    Merged in:
  Normal Form Games                  |    Reviewers:  Karl-Dieter Crisman
        Authors:  Vince Knight,      |  Work issues:
  James Campbell                     |       Commit:
Report Upstream:  N/A                |  9e14ff21121029f311b53d608b6a6d826ff2af88
         Branch:                     |     Stopgaps:
  u/vinceknight/finishedresponsetobigreview|
   Dependencies:                     |
-------------------------------------+-------------------------------------

Comment (by tscrim):

 > Returning [] wouldn't be quite right from the mathematical point of view
 (empty set as opposed to a set that doesn't exist): False seemed to make
 more sense to us. Obviously wouldn't make a different from the point of
 view of the actual algorithm so let me know if you feel strongly about it.

 My suggestion would be to return `None`; this is what we do for crystals
 for a similar situation. AFAIK, there is no standard (or other similar
 case for that matter) in Sage about this.

--
Ticket URL: <http://trac.sagemath.org/ticket/16954#comment:21>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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