humans in cooperative fear or nature is usually I mean the dead nature is stochastic you know you know things just happen randomly or don't care about you so what you have to take into account is in noise yeah and not necessarily doesn't really so you'll replace the minimum on the opponent's side by an expectation which is general enough to include also adversarial cases so now instead of a minimax trials you have an expected max strategy so far so good so that is well known it's called sequential decision theory but the