On 05 Aug 2016, at 06:27, Brent Meeker wrote:
On 8/4/2016 7:40 PM, Stathis Papaioannou wrote:
On 5 August 2016 at 04:01, Brent Meeker <meeke...@verizon.net> wrote:
On 8/4/2016 2:57 AM, Stathis Papaioannou wrote:
The problem with (3) is a general problem with multiverses. A
single, infinite universe is an example of a multiverse theory,
since there will be infinite copies of everything and every
possible variation of everything, including your brain and your
mind.
That implicitly assumes a digital universe, yet the theory that
suggests it, quantum mechanics, is based on continua; which is why
I don't take "the multiverse" too seriously.
It appears that our brains are finite state machines. Each neuron
can either be "on" or "off", there are a finite number of neurons,
so a finite number of possible brain states, and a finite number of
possible mental states. This is analogous to a digital computer:
Not necessarily. A digital computer also requires that time be
digitized so that its registers run synchronously. Otherwise "the
state" is ill defined. The finite speed of light means that
spacially separated regions cannot be synchronous. Even if neurons
were only ON or OFF, which they aren't, they have frequency
modulation, they are not synchronous.
Synchronous digital machine can emulate asynchronous digital machine,
and that is all what is needed for the reasoning.
Bruno
even if you postulate that electric circuit variables are
continuous, transistors can only be on or off. If the number of
possible mental states is finite, then in an infinite universe,
whether continuous or discrete, mental states will repeat.
We live in an orderly world with consistent physical laws. It
seems to me that you are suggesting that if everything possible
existed then we would not live in such an orderly world,
Unless the worlds were separated in some way, which current
physical theories provide - but which is not explicable if you
divorce conscious thoughts from physics.
The worlds are physically separated - there can be no communication
between separate worlds in the multiverse and none between
sufficiently widely separated copies of subsets of the world in an
infinite single universe. But the separate copies are connected
insofar as they share memories and sense of identity, even if there
is no causal connection between them.
Of course "copy" implies a shared past in which there was an
"original", they have a cause in common.
Brent
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