TheAncientGeek comments on Hedonium's semantic problem - Less Wrong

12 Post author: Stuart_Armstrong 09 April 2015 11:50AM

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Comment author: TheAncientGeek 14 April 2015 06:31:20PM 0 points [-]

I'd say they could .bd taken to be as grounded as ours. There is still a problem with referential semantics, that neither we nor the AI can tell it isnt in VR.

Which itself feeds through into problem with empiricism and physicalism.

Since semantics is inherently tricky, there aren't easy answers to the CR.

Comment author: Stuart_Armstrong 14 April 2015 06:38:09PM *  2 points [-]

If you're in VR and can never leave it or see evidence of if (eg a perfect Descartes's demon), I see no reason to see this as different from being in reality. The symbols are still grounded in the baseline reality as far as you could ever tell. Any being you could encounter could check that your symbols are as grounded as you can make them.

Note that this is not the case for a "encyclopaedia Chinese Room". We could give it legs and make it walk around; and then when it fails and falls over every time while talking about how easy it is to walk, we'd realise its symbols are not grounded in our reality (which may be VR, but that's not relevant).