Nevertheless, it turns out that game theory provides the essential concepts for understanding language stabilization. This is a highlight of support for Gintis` optimism about the scope of game theory. To understand, we need to extend our attention to evolutionary games. Modern game theory began with the idea of mixed strategy balances in two-person zero-sum games and their proof by John von Neumann. From Neumann`s initial proof, the Brouwer set of fixed points was used by continuous images in compact convex quantities, which became a standard method in game theory and mathematical economics. His work was followed in 1944 by the book Theory of Games and Economic Behavior, which he wrote with Oskar Morgenstern and watched the cooperative games of several players. .