Bayan haka, ya ba da bincike na farko game da ilimin gama gari kuma ya yi amfani da shi wajen nazarin wasa a cikin wasanni na daidaitawa. Bugu da ƙari, ya fara bayar da shawarar cewa mutum zai iya fahimtar ma'ana dangane da wasannin sigina. Wannan shawarwarin na baya-bayan nan ya biyo bayan masana falsafa da yawa tun daga Lewis. Bayan Lewis (1969) game da lissafin ka'idar wasan kwaikwayo na al'ada, Edna Ullmann-Margalit (1977) da Bicchieri Ga (2006) sun kirkiro ka'idodin ka'idojin zamantakewa wanda ya bayyana su a matsayin Nash equilibria wanda ya haifar da sauyawar wasan motsa jiki a cikin wasan wasan kwaikwayo.
ka'idar wasan juyin halitta