On Sun, Nov 10, 2013 at 1:37 AM, LizR <lizj...@gmail.com> wrote:

> On 10 November 2013 08:13, meekerdb <meeke...@verizon.net> wrote:
>>  On 11/9/2013 1:57 AM, Bruno Marchal wrote:
>> Tegmark thinks he will survive, if the gun works sufficiently well. if
>> not he might degrade and eventually ... die. This makes no sense to me. It
>> is annoying, but we can degrade a lot, yet we can't die (with just comp,
>> or, ITSM, with just the quantum MWI). With comp, we can expect jump, and
>> "consciousness phase transition", though.
>> Aside from not finding myself the oldest person on the planet, I see a
>> problem with quantum immortality in that quantum mechanics is time-reverse
>> invariant.  So I should be 'past immortal' also.  But as Mark Twain said, "I
>> do not fear death, in view of the fact that I had been dead for billions
>> and billions of years before I was born, and had not suffered the slightest
>> inconvenience from it."  If we are what our brains do it is easy to see why
>> we should live from past (low entropy) to future (higher entropy), be born
>> and die.
>> Leaving aside time reversibility (which I am myself rather hot on) for a
> moment, if you're quantum immortal you can only expect to *eventually*find 
> yourself the oldest person. Give it time. You have to go through the
> bit beforehand beforehand...
Let's say the average life expectancy is a not infinite, but some very
large number, like a google plex years.  If you were to draw a ball at
random from an urn that had a googleplex balls in it, each with its unique
number inscribed on it, would you be surprised if the number was less than

That is found to be less than 100 is surprising to a lot of people who
consider quantum immortality, but it shouldn't be for a few reasons.  One's
statistical measure decreases over time.  This is easiest to see in the
quantum suicide experiment, where each pull of the trigger cuts one's
measure in half.  Imagine someone who did this every day of their life,
their measure over time would be an infinite serious with a finite (not
infinite) sum.  Just like 3.333333 is a sum of an infinite number of
numbers 3 + 0.3 + 0.003 ... nonetheless, it is still less than 4.  If one's
measure diminishes geometrically as they live to ever increasingly absurd
lifetimes 200 years, 300 years, 400 years, etc., then the same effect is
the result, and we should not be surprised at drawing a number less than

The other reason we should not be surprised is that we have no idea how old
we really are.  Let's say heaven is real and all people live eternally.
 Then probabilistically this moment you are experiencing now is infinitely
more likely to be a moment of perfect recall of this moment of life on
earth (from heaven) rather than your life as the first time you lived it.
 In other words, if heaven exists, then you are almost surely already in
it.  Your age is some infinite number, and you have recalled this moment an
infinite number of times.

Quantum immortality guarantees you will always have a next experience, but
it does not guarantee what memories you will have access to in those next


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