Simulation Theory Mind Fuck

I would cease all argument with jazzc.

You would, but your ego doesn't let you and now you try to do it indirectly, which is rather pathetic.

He's clearly overflowing with logic and argumentative prowess: and he's apparently never wrong!

How can I argue against that? :D

He keeps pounding the logic pulpit, but then still attacks even the compliments I gave him, which leads me to believe he reviewed my posts looking for nothing more than "opportunities" to rebuke whatever it was he thought he was rebuking.

There was no need to look for opportunities. An opportunity suggests a window of action amidst a wall of strong resistance. In your case, there was no wall.

I'm not sure what the point of anything he wrote even was.

It 's because you lack the necessary logic instruments with which to process them.

He responds to compliment and criticism exactly the same way.

Or maybe I don't care about compliments or criticism and perhaps I care about the argument itself.

He's a special guy for sure, but don't waste your time trying to argue with him.

Man up and call me what you want directly. I 've never abused my position in the forum.

Besides, I'm pretty sure if you gave this guy an enema he could be buried in a matchbox.

You do these things all the time in the Inquisition I guess. Well, bad luck for you, you 're born 500 years late and you 'll have to swallow your abuse.
 
Arguing with Jazz is an exercise in futility, mate:

Are you having the "sore losers" group meeting here? :)

he debates as if he were programming: as if there are absolute values that simply need to be 'plugged-in' and will therefore issue an equivalently absolute, predictable result.

Arguing within a framework is by its nature absolute, or it wouldn't be a framework. And I always argue within the framework of logic.

Others chose to argue outside of it - with nonsense. I don't have to follow them, no matter how much they shout.

When this does not happen, it conflicts: you find yourself defending positions you've not actually taken; correcting accusations of formal fallacies not actually made.

Too bad for you that scripta manent.


You won't find him wavouring.

What 's wavouring?
 
Are you having the "sore losers" group meeting here? :)



Arguing within a framework is by its nature absolute, or it wouldn't be a framework. And I always argue within the framework of logic.

Others chose to argue outside of it - with nonsense. I don't have to follow them, no matter how much they shout.



Too bad for you that scripta manent.




What 's wavouring?

^ :D, ... right?
 
My input: Why not emulate in our own lives, to the fullest extent possible, what any proposed unmoved mover might be capable? Does such a proposal not yield more 'answers' than it does unanswerable questions?

Do we want to be right; or, do we want to live...?

Emulate what though? :\ Are we stewards or conquerers? Woman or Male? How do we deal with differing views, differing opinions, if all are held equally true and none more right than another? How can the world deal with people not trying to do better than they currently are, when that seems to be what is causing the problems of the world?

I know we have no idea what is right, but we know what's worked better and what gives good results.

I don't think you can be wrong and live. No one's right about opinions(most of the time :) ), but i dunno...It is nature's intention that we conserve energy to use at the right moment, and if we live in a manner outside of this discipline, it invites problems associated with poverty.

If we do not live as rightly as we can, we are not as alive as we can be.

ps. btw, i almost never write "IMO" when i write stuff like this, because it reads weak, but it is all IMO; I'm not trying to hamfist any ideology down anyone's throat like a tool. I like debating points-counter points-counter counter points. We're all just trying to make things better, after all.

And to everyone, please no personal attacks. Just add to the conversation!
 
-_________- The first students of physics were philosophers. Have...Have you even read books? This post, I can't even....

And they used thought experiments and pseudoscience to explain the events of their surroundings. It was not physics it was 'natural science'.
 
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Emulate what though? :\ Are we stewards or conquerers? Woman or Male? How do we deal with differing views, differing opinions, if all are held equally true and none more right than another? How can the world deal with people not trying to do better than they currently are, when that seems to be what is causing the problems of the world?

What a great response! I don't know, mate: Isn't that the issue after all? Should I project some certitude, or ought I be 'real'..? Instead, I will be honest:

I can't help but see the world as I *feel* it is: If the world is, in fact, The Will To Power, then my only responsibility to it is to exercise mine own will. (?)

I know we have no idea what is right, but we know what's worked better and what gives good results.

Agreed. As I'm sure you know, however, "good" is a debate unto itself.

I don't think you can be wrong and live. No one's right about opinions(most of the time :) ), but i dunno...It is nature's intention that we conserve energy to use at the right moment, and if we live in a manner outside of this discipline, it invites problems associated with poverty.

I think I understand.

If we do not live as rightly as we can, we are not as alive as we can be.

Absolutely true, in and of itself, prima facie. Hereby monetised! lol.

ps. btw, i almost never write "IMO" when i write stuff like this, because it reads weak, but it is all IMO; I'm not trying to hamfist any ideology down anyone's throat like a tool. I like debating points-counter points-counter counter points. We're all just trying to make things better, after all.

You are a good man. I feel it wafting at me as I read your stuff. That said, I think you might find yourself disappointed in the future should you continue in your efforts with the presupposition that "We're all just trying to make things better."

Mate, as cheezy and cliched as it may seem to a man of your mind, very few people actually -- and really -- want to make things better. That said, I hope you a reality that I don't know, mate.
 
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Really? To you it really explains no designer? The environment itself doesn't design what being will survive in it and not? We're not even going to supernature in any regard, we're talking about the color of tree bark and the color of squirrels that will be in the area. The squirrels don't choose to be that color, they survive because of it.

Yeah, the ability to adapt sure seems like it just kind of showed up unannounced, with no rhyme or reason. No design to that at all, no conservation of energy.

I don't understand you LakeForest. Before the evolution theory the argument was "see how perfect all this super complex nature is? it 's because of God 's wisdom". Then evolution comes and says, well, here 's how it works without the need of any external wisdom. Note the "without the need of any external wisdom" part.

What you call the ability to adapt is itself a product of evolution. Same mechanism. Endless mutations, endless deaths etc.

See? Science itself is looking for the Source. Undeniable.

I don't understand. Science is looking to explain the way everything works.

No, you can't argue that, because in statistics, thus logic, Everything means EVERYTHING. You don't get to pick and choose. The set that includes all sets does also include itself. Reconcile that paradox.

Yes, I can argue that because my premise is that God is above and over logic, so it 's perfectly valid (i.e. you can't disprove it with logic). It 's a beautiful argument. It 's the argument that beats the classic trick question "Can an all mighty God create a rock he can't lift?"

The set that includes itself example is perfect. The paradox is created by the limitation of the formal system itself, the "naive" set theory. Once you move out of it and into von Neumann hierarchy of sets, poof, no more paradox.

Look into what Godel proved in 1931 if you want proof of why this is true for all formal systems.

I guess you need to define God better to mean "everything, unless i think something can't fit into the everything"

No, no need for that - see above :)

Said this three times already. Science is not up to vote, and neither can the identity of God, so what is the only possible way to approach God? Through science.

We agree that science is not up to vote and that the existence or not of God is not up to vote.

These two facts do not infer that science can prove the existence of God, that 's a huge logical jump you 're taking there.

To say it can't touch your balls is lacking a grasp of reality and imagination. Terrible example.

You mean that the fish can, with a better grasp of reality and imagination, touch my balls? :D

Ok, I think you use that word without understanding it.

I think it 's you who doesn't: formal system

Um, you seriously think there's nothing standing firm in the universe? Because that's what you're saying: There are no laws of physics or anything of that nature. There is no time. There isn't even relativity.

There exist as long as we agree to believe the basic axioms of the formal system with which we examine them.

I'll let it pass because it's the weekend, but, to you, "There 's no formal system without axioms," is your axiom. That's what you hold undeniable.

What?? Read about formal systems and come back to prove otherwise. My statement is no axiom at all (hint: bullet point number 3).


If one cannot disprove it, with all their study, then one cannot comment on its validity or lack thereof, no? That's pretty axiomatic, if I do say so myself.

No. You can't disprove there are no flying pink elephants. You can claim that since we have never found one, they are most probably not in existence but there 's no way to prove it. See Popper 's falsifiability argument for more details.

You're trying to get rid of it, but the axiom I've been repeating is "God exists and it is valid to approach that with science more than any other tool." That has yet to be challenged on any level

Axioms are improvable by their definition! That 's why we call them axioms :)

So, you are complaining about lack of proof against your ... axiom? :D :D


, and if you look at our exchange, I've answered far more than has been questioned, and with a near complete reconciliation of any counter-view.

You wish :)
 
The "enema" line in my last post sums up sentiments towards you and your bizarre responses.

Thank you for expressing your feelings. Hope you get a good night sleep now that you did. Ignorance is bliss after all.
 
Proof that anything remotely involving religion can push otherwise reasonable people off the cliff of dumbassery.

As a wise man once said. "Just because your answer is wrong, it doesn't make his answer any less wrong." House M.D.
 
Here's a crazy concept. We all know time exists but time on our planet and time on another planet is most likely different. How do we know that the span of our life which would be around 60 years or so isn't 1 minute of another planets time? So when we live out 60 odd years of crap, on another planet only 1 minute has gone by? I mean even on this planet other life forms have smaller life spans. take dogs for example they live around 11 years. I'm sure some aliens somewhere can live 1000+ years. Crazy thought.
 
Here's a crazy concept. We all know time exists but time on our planet and time on another planet is most likely different. How do we know that the span of our life which would be around 60 years or so isn't 1 minute of another planets time? So when we live out 60 odd years of crap, on another planet only 1 minute has gone by? I mean even on this planet other life forms have smaller life spans. take dogs for example they live around 11 years. I'm sure some aliens somewhere can live 1000+ years. Crazy thought.

There are no aliens sir.
 
So address it directly, becuase just saying that and leaving it is even worse logic, and it's heat waste.
No, everybody who claims to be 'debating' this is so blindly touting their views with such zeal that there is no logical point in debating it - nobody is going to change their mind no matter what is said here.


-_________- The first students of physics were philosophers. Have...Have you even read books? This post, I can't even....
The first students of medicine were embalmers, but if I go in to hospital with a broken wrist and they try to pull my liver out my arse with a flaming poker, they can frankly fuck off.
 
It would be easy to debunk the simulation idea if space-time was continuous. Since it seems it 's quantised, well... f*ck. Why is space-time quantised?

Because the mind that perceives it is quantised. Why is it that the minds that contemplate the unknown universe always start by excluding themselves from it?
 
I've posted this before, but it fit's this thread well

[h=1]
ARE YOU LIVING IN A COMPUTER SIMULATION?
[/h]
BY NICK BOSTROM
Faculty of Philosophy, Oxford University​
Published in Philosophical Quarterly (2003) Vol. 53, No. 211, pp. 243-255.
pdf-version: [PDF]

[h=4]ABSTRACT [/h] This paper argues that at least one of the following propositions is true: (1) the human species is very likely to go extinct before reaching a ?posthuman? stage; (2) any posthuman civilization is extremely unlikely to run a significant number of simulations of their evolutionary history (or variations thereof); (3) we are almost certainly living in a computer simulation. It follows that the belief that there is a significant chance that we will one day become posthumans who run ancestor-simulations is false, unless we are currently living in a simulation. A number of other consequences of this result are also discussed. [h=4]I. INTRODUCTION[/h] Many works of science fiction as well as some forecasts by serious technologists and futurologists predict that enormous amounts of computing power will be available in the future. Let us suppose for a moment that these predictions are correct. One thing that later generations might do with their super-powerful computers is run detailed simulations of their forebears or of people like their forebears. Because their computers would be so powerful, they could run a great many such simulations. Suppose that these simulated people are conscious (as they would be if the simulations were sufficiently fine-grained and if a certain quite widely accepted position in the philosophy of mind is correct). Then it could be the case that the vast majority of minds like ours do not belong to the original race but rather to people simulated by the advanced descendants of an original race. It is then possible to argue that, if this were the case, we would be rational to think that we are likely among the simulated minds rather than among the original biological ones. Therefore, if we don?t think that we are currently living in a computer simulation, we are not entitled to believe that we will have descendants who will run lots of such simulations of their forebears. That is the basic idea. The rest of this paper will spell it out more carefully. Apart form the interest this thesis may hold for those who are engaged in futuristic speculation, there are also more purely theoretical rewards. The argument provides a stimulus for formulating some methodological and metaphysical questions, and it suggests naturalistic analogies to certain traditional religious conceptions, which some may find amusing or thought-provoking. The structure of the paper is as follows. First, we formulate an assumption that we need to import from the philosophy of mind in order to get the argument started. Second, we consider some empirical reasons for thinking that running vastly many simulations of human minds would be within the capability of a future civilization that has developed many of those technologies that can already be shown to be compatible with known physical laws and engineering constraints. This part is not philosophically necessary but it provides an incentive for paying attention to the rest. Then follows the core of the argument, which makes use of some simple probability theory, and a section providing support for a weak indifference principle that the argument employs. Lastly, we discuss some interpretations of the disjunction, mentioned in the abstract, that forms the conclusion of the simulation argument. [h=4]II. THE ASSUMPTION OF SUBSTRATE-INDEPENDENCE[/h]
A common assumption in the philosophy of mind is that of substrate-independence. The idea is that mental states can supervene on any of a broad class of physical substrates. Provided a system implements the right sort of computational structures and processes, it can be associated with conscious experiences. It is not an essential property of consciousness that it is implemented on carbon-based biological neural networks inside a cranium: silicon-based processors inside a computer could in principle do the trick as well.
Arguments for this thesis have been given in the literature, and although it is not entirely uncontroversial, we shall here take it as a given.
The argument we shall present does not, however, depend on any very strong version of functionalism or computationalism. For example, we need not assume that the thesis of substrate-independence is necessarily true (either analytically or metaphysically) ? just that, in fact, a computer running a suitable program would be conscious. Moreover, we need not assume that in order to create a mind on a computer it would be sufficient to program it in such a way that it behaves like a human in all situations, including passing the Turing test etc. We need only the weaker assumption that it would suffice for the generation of subjective experiences that the computational processes of a human brain are structurally replicated in suitably fine-grained detail, such as on the level of individual synapses. This attenuated version of substrate-independence is quite widely accepted.
Neurotransmitters, nerve growth factors, and other chemicals that are smaller than a synapse clearly play a role in human cognition and learning. The substrate-independence thesis is not that the effects of these chemicals are small or irrelevant, but rather that they affect subjective experience only via their direct or indirect influence on computational activities. For example, if there can be no difference in subjective experience without there also being a difference in synaptic discharges, then the requisite detail of simulation is at the synaptic level (or higher).

III. THE TECHNOLOGICAL LIMITS OF COMPUTATION

At our current stage of technological development, we have neither sufficiently powerful hardware nor the requisite software to create conscious minds in computers. But persuasive arguments have been given to the effect that if technological progress continues unabated then these shortcomings will eventually be overcome. Some authors argue that this stage may be only a few decades away.[1] Yet present purposes require no assumptions about the time-scale. The simulation argument works equally well for those who think that it will take hundreds of thousands of years to reach a ?posthuman? stage of civilization, where humankind has acquired most of the technological capabilities that one can currently show to be consistent with physical laws and with material and energy constraints.Such a mature stage of technological development will make it possible to convert planets and other astronomical resources into enormously powerful computers. It is currently hard to be confident in any upper bound on the computing power that may be available to posthuman civilizations. As we are still lacking a ?theory of everything?, we cannot rule out the possibility that novel physical phenomena, not allowed for in current physical theories, may be utilized to transcend those constraints[2] that in our current understanding impose theoretical limits on the information processing attainable in a given lump of matter. We can with much greater confidence establish lower bounds on posthuman computation, by assuming only mechanisms that are already understood. For example, Eric Drexler has outlined a design for a system the size of a sugar cube (excluding cooling and power supply) that would perform 10[SUP]21[/SUP] instructions per second.[3] Another author gives a rough estimate of 10[SUP]42 [/SUP]operations per second for a computer with a mass on order of a large planet.[4] (If we could create quantum computers, or learn to build computers out of nuclear matter or plasma, we could push closer to the theoretical limits. Seth Lloyd calculates an upper bound for a 1 kg computer of 5*10[SUP]50[/SUP] logical operations per second carried out on ~10[SUP]31[/SUP] bits.[5] However, it suffices for our purposes to use the more conservative estimate that presupposes only currently known design-principles.)The amount of computing power needed to emulate a human mind can likewise be roughly estimated. One estimate, based on how computationally expensive it is to replicate the functionality of a piece of nervous tissue that we have already understood and whose functionality has been replicated in silico, contrast enhancement in the retina, yields a figure of ~10[SUP]14[/SUP] operations per second for the entire human brain.[6] An alternative estimate, based the number of synapses in the brain and their firing frequency, gives a figure of ~10[SUP]16[/SUP]-10[SUP]17[/SUP] operations per second.[7] Conceivably, even more could be required if we want to simulate in detail the internal workings of synapses and dendritic trees. However, it is likely that the human central nervous system has a high degree of redundancy on the mircoscale to compensate for the unreliability and noisiness of its neuronal components. One would therefore expect a substantial efficiency gain when using more reliable and versatile non-biological processors.Memory seems to be a no more stringent constraint than processing power.[8] Moreover, since the maximum human sensory bandwidth is ~10[SUP]8[/SUP] bits per second, simulating all sensory events incurs a negligible cost compared to simulating the cortical activity. We can therefore use the processing power required to simulate the central nervous system as an estimate of the total computational cost of simulating a human mind.If the environment is included in the simulation, this will require additional computing power ? how much depends on the scope and granularity of the simulation. Simulating the entire universe down to the quantum level is obviously infeasible, unless radically new physics is discovered. But in order to get a realistic simulation of human experience, much less is needed ? only whatever is required to ensure that the simulated humans, interacting in normal human ways with their simulated environment, don?t notice any irregularities. The microscopic structure of the inside of the Earth can be safely omitted. Distant astronomical objects can have highly compressed representations: verisimilitude need extend to the narrow band of properties that we can observe from our planet or solar system spacecraft. On the surface of Earth, macroscopic objects in inhabited areas may need to be continuously simulated, but microscopic phenomena could likely be filled in ad hoc. What you see through an electron microscope needs to look unsuspicious, but you usually have no way of confirming its coherence with unobserved parts of the microscopic world. Exceptions arise when we deliberately design systems to harness unobserved microscopic phenomena that operate in accordance with known principles to get results that we are able to independently verify. The paradigmatic case of this is a computer. The simulation may therefore need to include a continuous representation of computers down to the level of individual logic elements. This presents no problem, since our current computing power is negligible by posthuman standards.Moreover, a posthuman simulator would have enough computing power to keep track of the detailed belief-states in all human brains at all times. Therefore, when it saw that a human was about to make an observation of the microscopic world, it could fill in sufficient detail in the simulation in the appropriate domain on an as-needed basis. Should any error occur, the director could easily edit the states of any brains that have become aware of an anomaly before it spoils the simulation. Alternatively, the director could skip back a few seconds and rerun the simulation in a way that avoids the problem. It thus seems plausible that the main computational cost in creating simulations that are indistinguishable from physical reality for human minds in the simulation resides in simulating organic brains down to the neuronal or sub-neuronal level.[9] While it is not possible to get a very exact estimate of the cost of a realistic simulation of human history, we can use ~10[SUP]33[/SUP] - 10[SUP]36[/SUP] operations as a rough estimate[10]. As we gain more experience with virtual reality, we will get a better grasp of the computational requirements for making such worlds appear realistic to their visitors. But in any case, even if our estimate is off by several orders of magnitude, this does not matter much for our argument. We noted that a rough approximation of the computational power of a planetary-mass computer is 10[SUP]42 [/SUP]operations per second, and that assumes only already known nanotechnological designs, which are probably far from optimal. A single such a computer could simulate the entire mental history of humankind (call this an ancestor-simulation) by using less than one millionth of its processing power for one second. A posthuman civilization may eventually build an astronomical number of such computers. We can conclude that the computing power available to a posthuman civilization is sufficient to run a huge number of ancestor-simulations even it allocates only a minute fraction of its resources to that purpose. We can draw this conclusion even while leaving a substantial margin of error in all our estimates. Posthuman civilizations would have enough computing power to run hugely many ancestor-simulations even while using only a tiny fraction of their resources for that purpose.
IV. THE CORE OF THE SIMULATION ARGUMENT
[h=2] [/h]The basic idea of this paper can be expressed roughly as follows: If there were a substantial chance that our civilization will ever get to the posthuman stage and run many ancestor-simulations, then how come you are not living in such a simulation? We shall develop this idea into a rigorous argument. Let us introduce the following notation: [SUB][/SUB]: Fraction of all human-level technological civilizations that survive to reach a posthuman stage [SUB][/SUB]: Average number of ancestor-simulations run by a posthuman civilization [SUB][/SUB]: Average number of individuals that have lived in a civilization before it reaches a posthuman stage The actual fraction of all observers with human-type experiences that live in simulations is then [SUB][/SUB] Writing [SUB][/SUB] for the fraction of posthuman civilizations that are interested in running ancestor-simulations (or that contain at least some individuals who are interested in that and have sufficient resources to run a significant number of such simulations), and [SUB][/SUB] for the average number of ancestor-simulations run by such interested civilizations, we have [SUB][/SUB] and thus: [SUB][/SUB] (*) Because of the immense computing power of posthuman civilizations, [SUB][/SUB] is extremely large, as we saw in the previous section. By inspecting (*) we can then see that at least one of the following three propositions must be true: (1) [SUB][/SUB](2) [SUB][/SUB](3) [SUB][/SUB] [h=4]V. A BLAND INDIFFERENCE PRINCIPLE[/h] We can take a further step and conclude that conditional on the truth of (3), one?s credence in the hypothesis that one is in a simulation should be close to unity. More generally, if we knew that a fraction x of all observers with human-type experiences live in simulations, and we don?t have any information that indicate that our own particular experiences are any more or less likely than other human-type experiences to have been implemented in vivo rather than in machina, then our credence that we are in a simulation should equal x: [SUB][/SUB] (#) This step is sanctioned by a very weak indifference principle. Let us distinguish two cases. The first case, which is the easiest, is where all the minds in question are like your own in the sense that they are exactly qualitatively identical to yours: they have exactly the same information and the same experiences that you have. The second case is where the minds are ?like? each other only in the loose sense of being the sort of minds that are typical of human creatures, but they are qualitatively distinct from one another and each has a distinct set of experiences. I maintain that even in the latter case, where the minds are qualitatively different, the simulation argument still works, provided that you have no information that bears on the question of which of the various minds are simulated and which are implemented biologically.
A detailed defense of a stronger principle, which implies the above stance for both cases as trivial special instances, has been given in the literature.[11] Space does not permit a recapitulation of that defense here, but we can bring out one of the underlying intuitions by bringing to our attention to an analogous situation of a more familiar kind. Suppose that x% of the population has a certain genetic sequence S within the part of their DNA commonly designated as ?junk DNA?. Suppose, further, that there are no manifestations of S (short of what would turn up in a gene assay) and that there are no known correlations between having S and any observable characteristic. Then, quite clearly, unless you have had your DNA sequenced, it is rational to assign a credence of x% to the hypothesis that you have S. And this is so quite irrespective of the fact that the people who have S have qualitatively different minds and experiences from the people who don?t have S. (They are different simply because all humans have different experiences from one another, not because of any known link between S and what kind of experiences one has.)The same reasoning holds if S is not the property of having a certain genetic sequence but instead the property of being in a simulation, assuming only that we have no information that enables us to predict any differences between the experiences of simulated minds and those of the original biological minds.It should be stressed that the bland indifference principle expressed by (#) prescribes indifference only between hypotheses about which observer you are, when you have no information about which of these observers you are. It does not in general prescribe indifference between hypotheses when you lack specific information about which of the hypotheses is true. In contrast to Laplacean and other more ambitious principles of indifference, it is therefore immune to Bertrand?s paradox and similar predicaments that tend to plague indifference principles of unrestricted scope.Readers familiar with the Doomsday argument[12] may worry that the bland principle of indifference invoked here is the same assumption that is responsible for getting the Doomsday argument off the ground, and that the counterintuitiveness of some of the implications of the latter incriminates or casts doubt on the validity of the former. This is not so. The Doomsday argument rests on a much stronger and more controversial premiss, namely that one should reason as if one were a random sample from the set of all people who will ever have lived (past, present, and future) even though we know that we are living in the early twenty-first century rather than at some point in the distant past or the future. The bland indifference principle, by contrast, applies only to cases where we have no information about which group of people we belong to.If betting odds provide some guidance to rational belief, it may also be worth to ponder that if everybody were to place a bet on whether they are in a simulation or not, then if people use the bland principle of indifference, and consequently place their money on being in a simulation if they know that that?s where almost all people are, then almost everyone will win their bets. If they bet on not being in a simulation, then almost everyone will lose. It seems better that the bland indifference principle be heeded.Further, one can consider a sequence of possible situations in which an increasing fraction of all people live in simulations: 98%, 99%, 99.9%, 99.9999%, and so on. As one approaches the limiting case in which everybody is in a simulation (from which one can deductively infer that one is in a simulation oneself), it is plausible to require that the credence one assigns to being in a simulation gradually approach the limiting case of complete certainty in a matching manner.
VI. INTERPRETATION
[h=2] [/h]The possibility represented by proposition (1) is fairly straightforward. If (1) is true, then humankind will almost certainly fail to reach a posthuman level; for virtually no species at our level of development become posthuman, and it is hard to see any justification for thinking that our own species will be especially privileged or protected from future disasters. Conditional on (1), therefore, we must give a high credence to DOOM, the hypothesis that humankind will go extinct before reaching a posthuman level:
[SUB][/SUB] One can imagine hypothetical situations were we have such evidence as would trump knowledge of [SUB][/SUB]. For example, if we discovered that we were about to be hit by a giant meteor, this might suggest that we had been exceptionally unlucky. We could then assign a credence to DOOM larger than our expectation of the fraction of human-level civilizations that fail to reach posthumanity. In the actual case, however, we seem to lack evidence for thinking that we are special in this regard, for better or worse. Proposition (1) doesn?t by itself imply that we are likely to go extinct soon, only that we are unlikely to reach a posthuman stage. This possibility is compatible with us remaining at, or somewhat above, our current level of technological development for a long time before going extinct. Another way for (1) to be true is if it is likely that technological civilization will collapse. Primitive human societies might then remain on Earth indefinitely.There are many ways in which humanity could become extinct before reaching posthumanity. Perhaps the most natural interpretation of (1) is that we are likely to go extinct as a result of the development of some powerful but dangerous technology.[13] One candidate is molecular nanotechnology, which in its mature stage would enable the construction of self-replicating nanobots capable of feeding on dirt and organic matter ? a kind of mechanical bacteria. Such nanobots, designed for malicious ends, could cause the extinction of all life on our planet.[14] The second alternative in the simulation argument?s conclusion is that the fraction of posthuman civilizations that are interested in running ancestor-simulation is negligibly small. In order for (2) to be true, there must be a strong convergence among the courses of advanced civilizations. If the number of ancestor-simulations created by the interested civilizations is extremely large, the rarity of such civilizations must be correspondingly extreme. Virtually no posthuman civilizations decide to use their resources to run large numbers of ancestor-simulations. Furthermore, virtually all posthuman civilizations lack individuals who have sufficient resources and interest to run ancestor-simulations; or else they have reliably enforced laws that prevent such individuals from acting on their desires. What force could bring about such convergence? One can speculate that advanced civilizations all develop along a trajectory that leads to the recognition of an ethical prohibition against running ancestor-simulations because of the suffering that is inflicted on the inhabitants of the simulation. However, from our present point of view, it is not clear that creating a human race is immoral. On the contrary, we tend to view the existence of our race as constituting a great ethical value. Moreover, convergence on an ethical view of the immorality of running ancestor-simulations is not enough: it must be combined with convergence on a civilization-wide social structure that enables activities considered immoral to be effectively banned. Another possible convergence point is that almost all individual posthumans in virtually all posthuman civilizations develop in a direction where they lose their desires to run ancestor-simulations. This would require significant changes to the motivations driving their human predecessors, for there are certainly many humans who would like to run ancestor-simulations if they could afford to do so. But perhaps many of our human desires will be regarded as silly by anyone who becomes a posthuman. Maybe the scientific value of ancestor-simulations to a posthuman civilization is negligible (which is not too implausible given its unfathomable intellectual superiority), and maybe posthumans regard recreational activities as merely a very inefficient way of getting pleasure ? which can be obtained much more cheaply by direct stimulation of the brain?s reward centers. One conclusion that follows from (2) is that posthuman societies will be very different from human societies: they will not contain relatively wealthy independent agents who have the full gamut of human-like desires and are free to act on them.
The possibility expressed by alternative (3) is the conceptually most intriguing one. If we are living in a simulation, then the cosmos that we are observing is just a tiny piece of the totality of physical existence. The physics in the universe where the computer is situated that is running the simulation may or may not resemble the physics of the world that we observe. While the world we see is in some sense ?real?, it is not located at the fundamental level of reality. It may be possible for simulated civilizations to become posthuman. They may then run their own ancestor-simulations on powerful computers they build in their simulated universe. Such computers would be ?virtual machines?, a familiar concept in computer science. (Java script web-applets, for instance, run on a virtual machine ? a simulated computer ? inside your desktop.) Virtual machines can be stacked: it?s possible to simulate a machine simulating another machine, and so on, in arbitrarily many steps of iteration. If we do go on to create our own ancestor-simulations, this would be strong evidence against (1) and (2), and we would therefore have to conclude that we live in a simulation. Moreover, we would have to suspect that the posthumans running our simulation are themselves simulated beings; and their creators, in turn, may also be simulated beings. Reality may thus contain many levels. Even if it is necessary for the hierarchy to bottom out at some stage ? the metaphysical status of this claim is somewhat obscure ? there may be room for a large number of levels of reality, and the number could be increasing over time. (One consideration that counts against the multi-level hypothesis is that the computational cost for the basement-level simulators would be very great. Simulating even a single posthuman civilization might be prohibitively expensive. If so, then we should expect our simulation to be terminated when we are about to become posthuman.) Although all the elements of such a system can be naturalistic, even physical, it is possible to draw some loose analogies with religious conceptions of the world. In some ways, the posthumans running a simulation are like gods in relation to the people inhabiting the simulation: the posthumans created the world we see; they are of superior intelligence; they are ?omnipotent? in the sense that they can interfere in the workings of our world even in ways that violate its physical laws; and they are ?omniscient? in the sense that they can monitor everything that happens. However, all the demigods except those at the fundamental level of reality are subject to sanctions by the more powerful gods living at lower levels.Further rumination on these themes could climax in a naturalistic theogony that would study the structure of this hierarchy, and the constraints imposed on its inhabitants by the possibility that their actions on their own level may affect the treatment they receive from dwellers of deeper levels. For example, if nobody can be sure that they are at the basement-level, then everybody would have to consider the possibility that their actions will be rewarded or punished, based perhaps on moral criteria, by their simulators. An afterlife would be a real possibility. Because of this fundamental uncertainty, even the basement civilization may have a reason to behave ethically. The fact that it has such a reason for moral behavior would of course add to everybody else?s reason for behaving morally, and so on, in truly virtuous circle. One might get a kind of universal ethical imperative, which it would be in everybody?s self-interest to obey, as it were ?from nowhere?.In addition to ancestor-simulations, one may also consider the possibility of more selective simulations that include only a small group of humans or a single individual. The rest of humanity would then be zombies or ?shadow-people? ? humans simulated only at a level sufficient for the fully simulated people not to notice anything suspicious. It is not clear how much cheaper shadow-people would be to simulate than real people. It is not even obvious that it is possible for an entity to behave indistinguishably from a real human and yet lack conscious experience. Even if there are such selective simulations, you should not think that you are in one of them unless you think they are much more numerous than complete simulations. There would have to be about 100 billion times as many ?me-simulations? (simulations of the life of only a single mind) as there are ancestor-simulations in order for most simulated persons to be in me-simulations.There is also the possibility of simulators abridging certain parts of the mental lives of simulated beings and giving them false memories of the sort of experiences that they would typically have had during the omitted interval. If so, one can consider the following (farfetched) solution to the problem of evil: that there is no suffering in the world and all memories of suffering are illusions. Of course, this hypothesis can be seriously entertained only at those times when you are not currently suffering. Supposing we live in a simulation, what are the implications for us humans? The foregoing remarks notwithstanding, the implications are not all that radical. Our best guide to how our posthuman creators have chosen to set up our world is the standard empirical study of the universe we see. The revisions to most parts of our belief networks would be rather slight and subtle ? in proportion to our lack of confidence in our ability to understand the ways of posthumans. Properly understood, therefore, the truth of (3) should have no tendency to make us ?go crazy? or to prevent us from going about our business and making plans and predictions for tomorrow. The chief empirical importance of (3) at the current time seems to lie in its role in the tripartite conclusion established above.[15] We may hope that (3) is true since that would decrease the probability of (1), although if computational constraints make it likely that simulators would terminate a simulation before it reaches a posthuman level, then out best hope would be that (2) is true.If we learn more about posthuman motivations and resource constraints, maybe as a result of developing towards becoming posthumans ourselves, then the hypothesis that we are simulated will come to have a much richer set of empirical implications.
VII. CONCLUSION
[h=2] [/h]A technologically mature ?posthuman? civilization would have enormous computing power. Based on this empirical fact, the simulation argument shows that at least one of the following propositions is true: (1) The fraction of human-level civilizations that reach a posthuman stage is very close to zero; (2) The fraction of posthuman civilizations that are interested in running ancestor-simulations is very close to zero; (3) The fraction of all people with our kind of experiences that are living in a simulation is very close to one.If (1) is true, then we will almost certainly go extinct before reaching posthumanity. If (2) is true, then there must be a strong convergence among the courses of advanced civilizations so that virtually none contains any relatively wealthy individuals who desire to run ancestor-simulations and are free to do so. If (3) is true, then we almost certainly live in a simulation. In the dark forest of our current ignorance, it seems sensible to apportion one?s credence roughly evenly between (1), (2), and (3).Unless we are now living in a simulation, our descendants will almost certainly never run an ancestor-simulation.
[h=2]Acknowledgements[/h]I?m grateful to many people for comments, and especially to Amara Angelica, Robert Bradbury, Milan Cirkovic, Robin Hanson, Hal Finney, Robert A. Freitas Jr., John Leslie, Mitch Porter, Keith DeRose, Mike Treder, Mark Walker, Eliezer Yudkowsky, and several anonymous referees. [Nick Bostrom's academic homepage: www.nickbostrom.com]
[More on the simulation argument: www.simulation-argument.com]

[1] See e.g. K. E. Drexler, Engines of Creation: The Coming Era of Nanotechnology, London, Forth Estate, 1985; N. Bostrom, ?How Long Before Superintelligence?? International Journal of Futures Studies, vol. 2, (1998); R. Kurzweil, The Age of Spiritual Machines: When computers exceed human intelligence, New York, Viking Press, 1999; H. Moravec, Robot: Mere Machine to Transcendent Mind, Oxford University Press, 1999.
[2] Such as the Bremermann-Bekenstein bound and the black hole limit (H. J. Bremermann, ?Minimum energy requirements of information transfer and computing.? International Journal of Theoretical Physics 21: 203-217 (1982); J. D. Bekenstein, ?Entropy content and information flow in systems with limited energy.? Physical Review D 30: 1669-1679 (1984); A. Sandberg, ?The Physics of Information Processing Superobjects: The Daily Life among the Jupiter Brains.? Journal of Evolution and Technology, vol. 5 (1999)).
[3] K. E. Drexler, Nanosystems: Molecular Machinery, Manufacturing, and Computation, New York, John Wiley & Sons, Inc., 1992.
[4] R. J. Bradbury, ?Matrioshka Brains.? Working manuscript (2002), http://www.aeiveos.com/~bradbury/MatrioshkaBrains/MatrioshkaBrains.html.
[5] S. Lloyd, ?Ultimate physical limits to computation.? Nature 406 (31 August): 1047-1054 (2000).
[6] H. Moravec, Mind Children, Harvard University Press (1989).
[7] Bostrom (1998), op. cit.
[8] See references in foregoing footnotes.
[9] As we build more and faster computers, the cost of simulating our machines might eventually come to dominate the cost of simulating nervous systems.
[10] 100 billion humans[SUB] [/SUB]50 years/human[SUB] [/SUB]30 million secs/year[SUB] [/SUB][10[SUP]14[/SUP], 10[SUP]17[/SUP]] operations in each human brain per second [SUB][/SUB] [10[SUP]33[/SUP], 10[SUP]36[/SUP]] operations.
[11] In e.g. N. Bostrom, ?The Doomsday argument, Adam & Eve, UN[SUP]++[/SUP], and Quantum Joe.? Synthese 127(3): 359-387 (2001); and most fully in my book Anthropic Bias: Observation Selection Effects in Science and Philosophy, Routledge, New York, 2002.
[12] See e.g. J. Leslie, ?Is the End of the World Nigh? ? Philosophical Quarterly 40, 158: 65-72 (1990).
[13] See my paper ?Existential Risks: Analyzing Human Extinction Scenarios and Related Hazards.? Journal of Evolution and Technology, vol. 9 (2001) for a survey and analysis of the present and anticipated future threats to human survival.
[14] See e.g. Drexler (1985) op cit., and R. A. Freitas Jr., ?Some Limits to Global Ecophagy by Biovorous Nanoreplicators, with Public Policy Recommendations.? Zyvex preprint April (2000), http://www.foresight.org/NanoRev/Ecophagy.html.
[15] For some reflections by another author on the consequences of (3), which were sparked by a privately circulated earlier version of this paper, see R. Hanson, ?How to Live in a Simulation.? Journal
 
Thank you for expressing your feelings. Hope you get a good night sleep now that you did. Ignorance is bliss after all.

Stop pulling the wings off of flies. It's unbecoming a deity of your statureness. Aren't you supposed to be working on a Unified Field Theory or something?
 
And another thing.

I think the takeaway here is that it's certain that at some point in the future it will be possible to "store" human consciousness as electronic data. We are already seeing the uptick in the exponential curve of data storage capacity against the downtick on per-gigabyte cost. The recent NSA scandal underlines this. Kim.com & Mega's ability to give 50 Gbyte free storage space to anyone with an email account does as well. Storage is dirt cheap, and will only continue to get cheaper. Eventually, you will be able to store "everything" for "free". Everything includes every 1 & 0 of your memory, your identity, every experience you've ever had, stored for free and forever.

Point of this whole thread is that this may already have happened. Data that can be stored can also be copied. Are you "you", or are you a copy of some original "you", and if case "B", how long has it been since the original you was created?

I see a parallel with the arrogance of believing that this "now" is the 1st now and the idea that human life is the only and/or 1st life to evolve since the big-bang. A lot of people are uncomfortable with the idea that life may exist elsewhere in the universe, so they prefer to believe that "we" are somehow the 1st. Maybe we are, but what are the odds of that?

I have a problem with all of this stuff, and while the idea of a standard-issue belief system of one short life and one eternal death is terrifying, the idea of "living" forever is also kind of scary. THANK GOD FOR PUSSY. If I'm going to spend all of eternity constantly hitting the "rewind" button, then let the cosmic video tape be rated XXX. I think I could spend a couple of billion years with just one episode of "WowGirls".
 
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