er's dilemma. Acta Appl. Math. 20. 247 265. Nowak, MA., tonna. Cl., Wilson. CO.. 2010. The evolution of eusociality. Nature 466,1057-1062. Okasha, S.. Martens. L. 2016. Hamilton's rule, inclusive fitness maximization. and the goal of individual behaviour in symmetric two-prayer games. J. Evol. Biol. 29. 4