that comes from the Bayesian learning and the long-term planning so these together already imply exploration you can nicely and explicitly prove that for a simple problem like so-called bandit problems where you say to give a real good example say you have two medical treatments a and B you don't know the effectiveness you try a a little bit be a little bit but you don't want to harm too many patients so you have to sort of trade-off exploring yeah and at some point you want to explore and you can do the mathematics and