Карта многомирного бессмертия на английском

 

The main idea of quantum (the name "big world immortality" may be better) is that if I die, I will continue to exist in another branch of the world, where I will not die in the same situation.

This map is not intended to cover all known topics about QI, so I need to clarify my position.

I think that QI may work, but I put it as Plan D for achieving immortality, after life extension(A), cryonics(B) and digital immortality(C). All plans are here.

I also think that it may be proved experimentally, namely that if I turn 120 years or will be only survivor in plane crash I will assign higher probability to it. (But you should not try to prove it before as you will get this information for free in next 100 years.)

There is also nothing quantum in quantum immortality, because it may work in very large non-quantum world, if it is large enough to have my copies. It was also discussed here: Shock level 5: Big worlds and modal realism.

There is nothing good in it also, because most of my survived branches will be very old and ill. But we could use QI to work for us, if we combine it with cryonics. Just sign up for it or have an idea to sign up, and most likely you will find your self in survived branch where you will be resurrected after cryostasis. (The same is true for digital immortality - record more about your self and future FAI will resurrect you, and QI rises chances of it.)

I do not buy "measure" objection. It said that one should care only about his "measure of existence", that is the number of all branches there he exists, and if this number diminish, he is almost dead. But if we take an example of a book, it still exist until at least one copy of it exist. We also can't measure the measure, because it is not clear how to count branches in infinite universe.

I also don't buy ethical objection that QI may lead unstable person to suicide and so we should claim that QI is false. I think that rational understanding of QI is that it or not work, or will result in severe injuries. The idea of soul existence may result in much stronger temptation to suicide as it at least promise another better world, but I never heard that it was hidden because it may result in suicide. Religions try to stop suicide (which is logical in their premises) by adding additional rule against it. So, QI itself is not promoting suicide and personal instability may be the main course of suicidal ideation.

I also think that it is nothing extraordinary in QI idea, and it adds up to normality (in immediate surroundings). We all already witness to examples of similar ideas. That is the anthropic principle and the fact that we found ourselves on habitable planet while most planets are dead. And the fact that I was born, but not my billions potential siblings. Survivalship bias could explain finding one self in very improbable conditions and QI is the same idea projected in the future.

The possibility of big world immortality depends on size of the world and of nature of “I”, that is the personal identity problem solution. This table show how big world immortality depends on these two variables. YES means that big world immortality will work, NO means that it will not work.

Both variables are unknown to us currently. Simply speaking, QI will not work if (actually existing) world is small or if personal identity is very fragile.

My apriori position is that quantum multiverse and very big universe are both true, and that information is all you need for personal identity. This position is most scientific one, as it correlate with current common knowledge about Universe and mind. If I could bet on theories, I would bet on it 50 per cent, and 50 per cent on all other combination of theories.

Even in this case QI may not work. It may work technically, but become unmeasurable, if my mind will suffer so much damage that it will be unable to understand that it works. In this case it will be completely useless, the same way as survival of atoms from which my body is composed is meaningless. But this maybe objected, if we say that only my copies that remember that me is me should be counted (and such copies will surely exist).

From practical point of view QI may help if everything failed, but we can't count on it as it completely unpredictable. QI should be considered only in context of other world-changing ideas, that is simulation argument, doomsday argument, future strong AI.

 

http://lesswrong.com/r/discussion/lw/n7u/the_map_of_quantum_big_world_immortality/

 

Q: Will quantum immortality (or other types of immortality) results in eternal boredom and suffering in infinite empty universe?

 

While I understand your concerns, I think that during next trillion years you will be able to find the ways to solve the problem, and I could suggest some of the solutions even now.

 

A trillion years from now you will be very powerful AI which also knows for sure that QI works.

 

11. The simplest solution is circle time. In in you are immortal, but your experience are repeatings. If they are pleasant, there will be no sufferings. More complex forms of time are also possible, so the "linear time trap" is just a result of our lack of imagination. Circular time probably result naturally from QI, because any human has non zero probability to transform in any other human, so you will circle in random patterns the space of all possible minds. (It also solves identity problem by the way - everybody are identical, but with different time for transformation.)

12. You could edit your brain in the way that it would enjoy empty eternity, so no sufferings. Anyway you may lost part of your long-term memory, so you may don't know your real age. And in most QI branches it will happen naturally.

13. Even if suffering (not very strong and painful) is real after trillion years from now, it may be good deal to agree on QI now, because of discounting effect. I prefer to live trillion years than to die in strong suffering in next 20.

14. Maybe the strong AI will prove that it is able to create fun quicker than use this fun, so it will always has something to do, no matter how much linear time has gone. It also may create many levels avatar worlds (simulations) where avatars will not remember their real age (and we are probably inside such simulation).

15. There are many ways how we could survive the end of the universe (see my map), so the endless emptiness is not necessary option.

 

I spent 25 years to come to these ideas (from the summer 1990 than I got the idea of QI) so in next trillion years I will be able to get better ideas I hope.

 

QI and measure

I think that this attitude to QI is wrong because the measure should be renormilized if the number of the observers change.

 

We can't count the worlds where I do not exist as worlds that influence my measure (or if we do, we have to add all other worlds where I do not exist, which are infinite and so my chances to exist in any next moment are almost zero).

 

The number of "me" will not change in case of embezzle. But If I die in some branches, it changes. It may be a little bit foggy in case of quantum immortality, but if we use many world immortality it may be clear.

 

For example a million copies of the program tries to calculate something inside actual computer. The goal system of the program is that it should calculate, say, pi with 10 digits accuracy. But it knows that most copies of the program will be killed soon, before it will able to finish calculation. Should it stop, knowing that it will be killed in next moment and with overwhelming probability? No, because if it stops, all its other copies stop too. So it must behave as it will survive.

 

My point is that from decision theory point of view rational agent should behave as if QI works, and plan his action or expectation accordingly. It also should expect that all his future experiences will be supportive to QI.

 

I will try to construct more clear example: For example, I have to survive many rounds of russian rouletts with chances of survival 1 in 10 each. The only thing I could change about it is following: after each round I will be asked if I believe in QI and will be punished by electroshock if I say "NO". If I say "YES", I will be punished twice in this round, but never again in any round.

 

If agent believe in QI it is rational to him to say "YES" in the beginning, get two shocks and never get it again.

If he "believes in measure", than it will be rational to him to say NO, get one punishment in the beginning, and 0,1 punishment in next round, 0.01 punishment in third and so on, with total 1.111, which is smaller than 2. 

 

My point here is that after several rounds most people (if they will be such agents) will change their decision and will say Yes.

 

In case of your example with train it means that it will be rational to you to use part of your time not for speaking with relatives, but for planning your actions after you survive in most probable way (train derails).

 

It looks like you suppose that there is branches where agent cease to exist, like dead end branches. In this branches he has zero experience after death. But another description of this situation is that there is no dead ends, because branching happens in every point, and so we should count only cells of space-time there future I exist. For example I do not exist on Mars and on all other Solar system bodies (except Earth). It doesn't mean that I died on Mars. Mars is just empty cell in our calculation of future me, which we should not count on. The same is true about branches where I was killed. Renormalization on observer number is used in other discussions of anthropic, like anorthic principle, Sleeping beauty. There are still some open questions there, like how we could measure identical observers.

If an agent cares about his family, yes. He should not care about his QI. (But if he really believe in MWI and modal realism, he may also conclude that he can't do anything to change their fate.)

Qi is rises very quickly chances that I am in a strange universe where God exist (or that I am in a simulation which also models afterlife). So finding myself in it will be evidence that QI worked.

 

 

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