cousin_it comments on Reply to Holden on 'Tool AI' - Less Wrong

94 Post author: Eliezer_Yudkowsky 12 June 2012 06:00PM

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Comment author: cousin_it 13 July 2012 05:11:28PM *  2 points [-]

You need to describe the sensory experience as part of the AI's utility computation somehow. I thought it would be something like a bitstring representing a brain scan, which can refer to future experiences just as easily as past ones. Do you propose to include a timestamp? But the universe doesn't seem to have a global clock. Or do you propose to say something like "the values of such-and such terms in the utility computation must be unaffected by the AI's actions"? But we don't know how to define "unaffected" mathematically...

Comment author: TheOtherDave 13 July 2012 09:19:44PM *  1 point [-]

I was thinking in terms of referring to a brain. Or, rather, a set of them. But a sufficiently detailed brainscan would work just as well, I suppose.

And, sure, the universe doesn't have a clock, but a clock isn't needed, simply an ordering: the AI attends to evidence about sensory experiences that occurred before the AI received the instruction.

Of course, maybe it is incapable of figuring out whether a given sensory experience occurred before it received the instruction... it's just not smart enough. Or maybe the universe is weirder than I imagine, such that the order in which two events occur is not something the AI and I can actually agree on... which is the same case as "perhaps it can in fact retroactively influence sensory experiences" above.