From: Christian Szegedy (email@example.com)
Date: Mon Aug 16 2004 - 10:22:44 MDT
Eliezer Yudkowsky wrote:
> Anything I can take a bunch of atoms, do, and actually observe, is a
> legitimate experiment. The philosophical conundrum would be whether
> it constitutes a legitimate physical "experiment" to ask, for example,
> "Does this process *ever* halt?" and not just the experiments "Does
> this process halt after finite time T1, T2..."
To me, it seems far from being well-defined. Especially in the context
of mathematical logic.
>> You may be able to reduce the notion of physical experiment so skilfully
>> that the outcome of each experiment can be decided by the axioms alone.
> The obvious restriction would be physical experiments performed in
> bounded time.
I think you have misinterpreted my mail. It is neither necessary nor
general. I don't even know whether it is possible at all. I would not
be surprised that a suitable restriction would necessarily make use of
the fact that
the internal observers knowledge over the whole system is incomplete (cf.
The rest of your posting makes sense to me.
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