John_R_Ramsden
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Fascinating discussion and blog. Surely one obvious safeguard to a super-smart AI agent going morally astray or running amok would be to inseparably associate with it a dumber "confessor" AI agent which, while lacking its prowess and flexibility, would have at least the run-of-the-mill intelligence to detect when a proposal might conflict with acceptable human moral standards.
I called it a confessor, by analogy with priests privy to the sins and wicked thoughts of even powerful people. But loads of analogies come to mind, for example an eight stone jockey controlling a half ton race horse, faster than the rider, or a high-resistance loop off a million volt power line to which a... (read more)
Just to spell it out, am I right in thinking that you can scale all the matrix elements so that each entry on the diagonal is the sign of its original value, i.e. -1 or 1, but if the resulting diagonal contains any -1s then it can't be PSD?