On 7/22/2011 2:11 AM, Bruno Marchal wrote:
But what is a world? Also, assuming computationalism, you need only
to believe that you interact with a "world/reality", whatever that
is, like in dream. If not you *do* introduce some magic in both
consciousness and world.
So I need to believe some magic or I have to introduce some magic.
That seems a distinction without a difference.
With comp the only magic is 0, 1, 2, 3, + addition + multiplication.
But is that the *only* magic. It seems to me that your argument
includes the magic of the UD. If I understand it, it says that if a UD
is running it executes all possible programs. Among those programs are
ones that are simulations of Everett's multiverse, such as we may
inhabit, including the simulations of ourselves. Consciousness is some
part of the information processing in those simulations of us; where the
the same conscious state is realized in many different programs and so
has many different continuations and predecessors.
But all this is a hypothetical depending on a UD. And aside from the
problem that prima facie it will produce more chaotic non-lawlike
experiences than law-like ones, there is no reason to suppose a UD
exists. This explanation of the world is very much like Boltzmann's
brain. It generates "everything" and then tries to pick out "this".
With non-comp the magic is primitive matter + primitive physical laws
+ primitive consciousness + non intelligible links between all those
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