A theorem in game theory which guarantees the existence of a set of mixed strategies for finite, noncooperative games of two or more players in which no player can improve his payoff by unilaterally changing strategy.
Nash's Theorem
See also
Fixed Point, Game, Mixed Strategy, Nash EquilibriumExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Nash's Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/NashsTheorem.html