2008/11/20 A. Wolf <[EMAIL PROTECTED]>:
>>> No. The tape isn't a standard Turing tape because it's
>>> infinitely long. :)
> You're presuming the Universe contains finite data. Most cosmological
> evidence suggests that the Universe is flat and unbounded, which implies it
> would be infinite in size. If space is not quantized (which would be
> difficult to handle mathematically, anyway), then there's an infinite amount
> of information even in a finite universe.
Well if you take any finite portion of the universe then you have a
finite amount of matter, this finite amount of matter has a finite set
of possible permutations hence for a given block of universes of the
same size there is only a finite set of possible arrangement of the
matter in those. The light speed is a constant means also that if the
universe is infinite and unbounded there exists totally causaly
disconnect finite block of "universe" inside the universe.
The only thing that matters for the UD is that it is a supertask
assuming physical primary (I'd say level 0) real... But then if
computationalism is true then you couldn't make a test that will prove
a level 0... you cannot distinguish between level of "simulation" and
as such a level 0 is nonsense for me.
>> He could dovetail. (The standard way to emulate parallelism in a
>> linear way).
> Of course. But this still only works on finite data.
> I think you're confusing "can emulate with a Turing machine" with "is
> computable". Everything that is computable /in finite time and space/ can
> be emulated on a Turing machine (if the Church-Turing thesis is true). But
> infinite data sets cannot be handled directly on a Turing machine. There's
> no model for handling infinite data, that I know of anyway.
Well everything is always finite data... well... if computationalism
is true, there is a level of finite data describing you, bigger/accute
data won't change anything below this level... and all and every
natural numbers are finite even the big ones :)
All those moments will be lost in time, like tears in rain.
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