wait let me wrap I think my brain is broke we should maybe discuss that later Biff after I've explained the aixi model that's an interesting variation but there's a really interesting variation and a quick comment I don't know if you want to insert that in here but you're looking at in terms of observations you're looking at the entire the big history a long history of the observations exact that's very important the whole history from birth sort of of the agent and we can come back to that I'm also why this is important here