advisor I see but everybody knew it was just an arrangement how did you work out the topic of the dissertation if that was but so I wanted to work on ural networks and how they learned but I couldn't figure out how they learned from I couldn't buy this I couldn't figure out anything significantly improved over what was called the perceptron convergence theorem which was already known in the early sixties late twenties early 60s neural networks are in the air I mean ever since touring in a way no not so much when I my advisor had done neural