Re: UD* and consciousness

On 2/22/2012 14:49, Terren Suydam wrote:
> However I don't understand how Mary could have anything but a single
> continuation given the determinism of the sim. How could a
> counterfactual arise in this thought experiment? Can you give a
> "concrete" example?
Mary's brain/SIM implementation is deterministic. We would associate her
1p with all machines that happen to implement Mary's current state at
the substitution level chosen. If Mary is lucky(or not), she might find
herself in your digital physics VR simulation, thus your observation and
inference of the 3p simulation would match Mary's 1p in that simulation.
However, consider that in the UD, there would be many implementations
for Mary's mind at that substitution level, some including that
environment you chose for her. These implementations may be many times
layered, for example, those implementing your physics and eventually
you, and those implementing the physics, the simulation and eventually
her. Now imagine your simulation has some irrelevant bit of
functionality, let's say, an opcode RAND or some register 323, that bit
of functionality was never used in Mary's implementation or of
implementation of any underlying layers, it's "just there" in your
implementation of the simulation. Mary's consciousness would never be
changed by how you implemented RAND or r323, but let's say, she
eventually decides to do a bit of programming in her simulation and uses
that opcode and/or register by accident. What would happen? There can be
many machines implementing (or even not implementing it at all) said
opcode and/or register, however since Mary's own experience does not
depend at all on it, all that part is indeterminate. Now instead of
register 323 or RAND, make everything that Mary does not depend on and
that is not inconsistent with her history as something subject to 1p
invariancy in the UD - you'll find infinities of possible machines
implementing Mary, even cases where the simulation is self-contained and
completely disconnected from your physical world, running completely in
the UD. Of course, I do wonder how stable such a VR reality would be -
it might not be very high measure like our current quantum world where
we have degrees of freedom like these everywhere (if MWI).

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