As a preliminary readers might be interested in another blog entry by myself where I make an analogy between our minds and God's mind.
I want to employ and extend an analogy I first used here to try and dispel some of the apparent misunderstanding between atheists and, at least some, theists.
Let's suppose that in the future the bots in a computer game become conscious. Some bots think their
world (computer game environment) is designed and a creation of some
intelligence, others do not (let's call them atheists).
The
atheist bots assume that should there be a creator/designer of their world, then it must be some entity
within their computer game environment. That is to say any designer must either equate
effectively to some particularly coloured pixels, or failing this to at least influence the environment in some way. However since no such coloured pixels have ever been detected, and their world operates according to discernible rules (physical laws), they regard it as being highly unreasonable to believe in the existence of a designer. Certainly if there is such a designer then the onus is upon those who suppose he exists to supply some evidence for his existence.
However many of the theist bots think that this concept of a designer is utterly ridiculous and think of a designer in the correct sense -- namely a computer programmer who exists outside of their reality (game world) altogether. However they do disagree and quarrel about the name and personality of the designer (programmer).
The take home message from this analogy is that we should really try to get away from the ideas that should a "God" exist then he/it is some entity which exists within reality, and that he/it intervenes with physical laws (a so-called "God of the gaps"). It is just as ludicrous for us to entertain such a conception of "God" as it is for the bots to entertain such a conception of a designer for their game world. Moreover, for the bots, the question of whether a designer exists, is not a question which could be answered by their science. Their science deals with the regularities of their world and therefore could only address the concept of a designer should that designer exist within their reality. The exact same applies to us. The question of whether there is a creator, where that creator exists outside our physical reality, is not in principle something which could be addressed by our science. It is a purely metaphysical issue.
In addition, although the disagreements between the various religions might at some level be interesting, this really doesn't have any implications for the existence of some type of "God", at least not if we construe such a "God" in the minimal sense as a creator or designer of our world. Compare this to the scenario where the bots disagree about the name and personality of the computer programmer. It would be absurd to maintain that this suggests that no one created their world at all!
This conception of "God" as being wholly outside of our physical reality, or that our physical reality exists "within" God, also dispenses with the requirement that it is incumbent upon the theist to demonstrate that a creator exists. Why? First of all we need to understand why the burden of proof is normally on those who claim that something exists.
In our observations of the world we note that the Universe appears to be described by physical laws. It seems that these laws have universal applicability -- that is the very same laws apply throughout the Universe.
Hence we know what entities to
expect and what not to expect -- thus our expectation is that stars will have planets orbiting them, and not flying teapots. In short, if someone asserts that x exists, but x would be unexpected given our understanding of physical laws, then the burden of proof ought to be on the one making the assertion. Note though that strictly speaking there is no distinction between
positive and negative assertions. Hence we surmise there are galaxies
beyond the cosmic horizon even though in principle we can never detect
them. So, contrary to what people maintain, the burden of proof is not on the one asserting something exists, but rather it's on the one asserting something exists which we would not expect given our understanding of physical laws.
But clearly this does not apply to any existent which resides outside physical reality. Either our physical reality came into existence through a conscious external agent -- some type of creator, although such a creator need not necessarily correspond to what we typically think of as "God" -- or the Universe, Multiverse or whole physical shebang came about as a brute fact with no cause. Whichever hypothesis pertains arguments need to be advanced to justify ones position on this issue.
Related to this is the fact that many self-proclaimed atheists assert that they merely lack a belief in any type of "God" rather than disbelieve in a "God". However, if one lacks a belief in whether there is a creator, then necessarily one also lacks a belief in the converse. That is they also lack a belief in the supposition the Universe came into being as a brute fact. This is contrary to how atheism was originally understood as being the position of supposing that most likely there is no entity or reality corresponding to what one might label "God".
2nd part here.
Mostly philosophical topics, especially pertaining to the philosophy of mind and whether an afterlife makes sense.
Showing posts with label theism. Show all posts
Showing posts with label theism. Show all posts
Tuesday, 30 December 2014
Monday, 11 August 2014
God and human minds
This is a post I wrote in a discussion board 11 years ago in 2003.
There seems to be this universal misconception amongst atheists that there is no evidence for a God. I intend in this post to refute this notion. To make it really simple, throughout this post I'm going to assume a materialist perspective, or at least a materialist based perspective i.e. physical reality is primary, and minds or consciousnesses are somehow derived from this primary physical reality.
We can just use the minimal definition of "God" as a mind or consciousness, albeit a mind very large or unlimited in scope.
Now one might argue that given that God is a mind or consciousness, it might be a good idea to provisionally suppose that the nature of any evidence for God's mind may be of a similar nature to the evidence for our minds.
So what evidence do we have for the existence of other minds? I would suggest that we do not see other peoples’ minds directly. If we look into a living brain we will only ever see various physical processes operating according to physical laws. You can of course simply declare that minds are identical or are a function of these physical processes, but still that assertion itself is just a stipulation. The pertinent point here is that we could only know that other people are conscious by literally partaking in their conscious experiences. Which we don't.
Nor do we have any scientific evidence that other people are conscious. Now people might find this a very surprising assertion. After all many scientific entities are invisible, but we do not dispute their existence. This is because we can infer their existence from their effect in the world. So if minds have an effect in the world, then why can't minds play a role in some scientific theory describing the world?
The thing about invisible scientific entities like electrons is that we can infer their existence because electrons play fruitful roles in our theories describing the world. Or to put it another way, electrons are causally efficacious. They need to be supposed to exist in order to explain some aspect of reality (for the pedants out there I agree this is not strictly true, but I'm trying to make it simple!).
Being materialists we suppose that the world is physically closed. By this I simply mean that everything that ever happens is wholly explicable in terms of prior physical causes. In particular, there is no non-material mind affecting processes in the brain. Physical processes in the brain, like everything else in the Universe, can be wholly understood as an unbroken chains of physical causes and effects. In other words everything that ever occurs in our brains, and hence by extension all our behaviour, can be completely described with reference to the physical laws of nature.
This being so, minds are not required for an understanding of our behaviour. To have a scientific understanding of our behaviour it is sufficient that we have knowledge of all facts accessible from the third person perspective. By a third person perspective I mean that anyone with unimpaired sense and instruments could potentially corroborate. This would then include neurons firing in a living brain, but would not include mental states such as emotions since emotions cannot be seen, only the effects of emotions can be seen. So the totality of our behaviour can be explained with reference to third person facts.
As an aside this is why minds can never be scientifically explained. Minds can neither be perceptually sensed nor play a fruitful role in our theories describing the world, therefore from a scientific perspective they are superfluous. Thus within any materialist based understanding of the world, it simply has to be arbitrarily stipulated that they are identical to, or are a function of, or are somehow derived from physical processes within the brain. Sort of like a faith if you will.
A couple of things to point out here. If we can neither perceptually perceive other peoples’ minds, nor scientifically prove the existence of other peoples’ minds, then what justification do we have of supposing other peoples’ minds apart from our own exist whatsoever? I would simply suggest the obvious answer here. Namely we infer other peoples’ minds by noting that other peoples’ behaviour is very similar to my own. I know in my own case that my behaviour is apparently a consequence of my internal mental states; therefore it is reasonable to assume that other people in turn possess internal mental states. Another point is that simply because minds (defined, if you like, as the phenomenal aspect of physical processes in the brain) are not required to scientifically explain our behaviour, this doesn't mean that everyday explanations of our behaviour are redundant. Sure, one could explain why I get up to make myself a cup of coffee in terms of purely physical processes occurring in my brain, but we can also provide an explanation in terms of intentions (e.g. I need something to keep me alert). These explanations are not incompatible; rather they apply at different levels.
A related point is that simply because the world is physically closed this does not necessitate we do not have free will. It’s true that our behaviour is wholly determined, or to use a better term, described by physical laws. But this need not imply at all that we are hapless puppets dancing to the tune of the physical laws of nature. To suppose this you are thinking of physical laws as somehow necessitating change in the world, where as it is more appropriate to think of physical laws as simply describing change in this world. But once we have adopted this latter view then the physical laws of nature do not compel our behaviour, rather they describe our freely chosen actions!
Now, having got all the foregoing out of the way, we can at last address the issue of the evidence for the existence of a God. The essential point is this. Just as a complete physical description of the physical processes occurring in someone’s brain, and thereby accounting for their behaviour without reference to any consciousness, doesn’t necessitate that that person is not possessed of a mental life, so does the fact that just because the Universe and all change within can be accounted for in terms of physical laws, this doesn’t mean to say that consciousness is not associated with the physical Universe as a whole. Indeed, just as we have differing levels of explanations for peoples’ behaviour in terms of either physical laws, or in terms of the intentions of minds, so it may be possible to have differing levels of explanation for processes in the Universe as a whole, either in terms of physical laws, or in terms of what we might describe as a metamind or “God”.
Notice that whether it is in fact legitimate to infer the existence of a metamind or "God" will depend upon the character of the Universe as a whole. But the assertion of every atheist I have ever met is that there is no evidence whatsoever for any “God”. They are indeed quite emphatic in this assertion. But this position simply cannot be maintained as it is clear that the characteristics of the physical Universes as a whole could have been less suggestive of an associated meta-consciousness than what we actually witness. We just simply need to consider logically possible Universes. One might imagine for example that it could have been logically possible for us to have subsisted in a Universe where no physical laws at all pertained, and we found ourselves existing in a bodiless state experiencing a stream of random perceptual experiences through our senses.
But even if we are to suppose that such a Universe were somehow not logically possible, it certainly seems that we could have subsisted in a differing Universe from the one we find ourselves in, but which didn’t exhibit the regularities exhibited by our Universe. Regularities, don’t forget, which can be captured by our scientific theories written in the language of mathematics. At least in physics these theories need not depict a literal state of affairs, and in the past have found to be limited in their scope e.g. Newtonian mechanics. Notwithstanding this, our theories still work in the sense of accurately predicting the cause of our perceptual experiences. One almost gets the impression that the Universe is contrived in such a manner that intelligent sentient beings are just to say able to do this! After all, we can easily imagine a Universe not exhibiting any patterns, or if it did exhibit patterns those patterns not being amenable to mathematical investigation or being too abstruse for us to discern.
It should be noted that I am not arguing that the existence of a “God” is proved, nor that the existence of a “God” is as likely as the existence of other people, nor even that the existence of a God is even likely. What I have just done is to demonstrate that even under a materialist interpretation of the world, it is not only possible to believe in a “God”, but that the characteristics of the world go someway towards lending some evidence for a God. If I am able to do this by assuming a materialist framework, then a fortiori I will be able to do this under any other metaphysical interpretation of the world, such as for example immaterialism.
There seems to be this universal misconception amongst atheists that there is no evidence for a God. I intend in this post to refute this notion. To make it really simple, throughout this post I'm going to assume a materialist perspective, or at least a materialist based perspective i.e. physical reality is primary, and minds or consciousnesses are somehow derived from this primary physical reality.
We can just use the minimal definition of "God" as a mind or consciousness, albeit a mind very large or unlimited in scope.
Now one might argue that given that God is a mind or consciousness, it might be a good idea to provisionally suppose that the nature of any evidence for God's mind may be of a similar nature to the evidence for our minds.
So what evidence do we have for the existence of other minds? I would suggest that we do not see other peoples’ minds directly. If we look into a living brain we will only ever see various physical processes operating according to physical laws. You can of course simply declare that minds are identical or are a function of these physical processes, but still that assertion itself is just a stipulation. The pertinent point here is that we could only know that other people are conscious by literally partaking in their conscious experiences. Which we don't.
Nor do we have any scientific evidence that other people are conscious. Now people might find this a very surprising assertion. After all many scientific entities are invisible, but we do not dispute their existence. This is because we can infer their existence from their effect in the world. So if minds have an effect in the world, then why can't minds play a role in some scientific theory describing the world?
The thing about invisible scientific entities like electrons is that we can infer their existence because electrons play fruitful roles in our theories describing the world. Or to put it another way, electrons are causally efficacious. They need to be supposed to exist in order to explain some aspect of reality (for the pedants out there I agree this is not strictly true, but I'm trying to make it simple!).
Being materialists we suppose that the world is physically closed. By this I simply mean that everything that ever happens is wholly explicable in terms of prior physical causes. In particular, there is no non-material mind affecting processes in the brain. Physical processes in the brain, like everything else in the Universe, can be wholly understood as an unbroken chains of physical causes and effects. In other words everything that ever occurs in our brains, and hence by extension all our behaviour, can be completely described with reference to the physical laws of nature.
This being so, minds are not required for an understanding of our behaviour. To have a scientific understanding of our behaviour it is sufficient that we have knowledge of all facts accessible from the third person perspective. By a third person perspective I mean that anyone with unimpaired sense and instruments could potentially corroborate. This would then include neurons firing in a living brain, but would not include mental states such as emotions since emotions cannot be seen, only the effects of emotions can be seen. So the totality of our behaviour can be explained with reference to third person facts.
As an aside this is why minds can never be scientifically explained. Minds can neither be perceptually sensed nor play a fruitful role in our theories describing the world, therefore from a scientific perspective they are superfluous. Thus within any materialist based understanding of the world, it simply has to be arbitrarily stipulated that they are identical to, or are a function of, or are somehow derived from physical processes within the brain. Sort of like a faith if you will.
A couple of things to point out here. If we can neither perceptually perceive other peoples’ minds, nor scientifically prove the existence of other peoples’ minds, then what justification do we have of supposing other peoples’ minds apart from our own exist whatsoever? I would simply suggest the obvious answer here. Namely we infer other peoples’ minds by noting that other peoples’ behaviour is very similar to my own. I know in my own case that my behaviour is apparently a consequence of my internal mental states; therefore it is reasonable to assume that other people in turn possess internal mental states. Another point is that simply because minds (defined, if you like, as the phenomenal aspect of physical processes in the brain) are not required to scientifically explain our behaviour, this doesn't mean that everyday explanations of our behaviour are redundant. Sure, one could explain why I get up to make myself a cup of coffee in terms of purely physical processes occurring in my brain, but we can also provide an explanation in terms of intentions (e.g. I need something to keep me alert). These explanations are not incompatible; rather they apply at different levels.
A related point is that simply because the world is physically closed this does not necessitate we do not have free will. It’s true that our behaviour is wholly determined, or to use a better term, described by physical laws. But this need not imply at all that we are hapless puppets dancing to the tune of the physical laws of nature. To suppose this you are thinking of physical laws as somehow necessitating change in the world, where as it is more appropriate to think of physical laws as simply describing change in this world. But once we have adopted this latter view then the physical laws of nature do not compel our behaviour, rather they describe our freely chosen actions!
Now, having got all the foregoing out of the way, we can at last address the issue of the evidence for the existence of a God. The essential point is this. Just as a complete physical description of the physical processes occurring in someone’s brain, and thereby accounting for their behaviour without reference to any consciousness, doesn’t necessitate that that person is not possessed of a mental life, so does the fact that just because the Universe and all change within can be accounted for in terms of physical laws, this doesn’t mean to say that consciousness is not associated with the physical Universe as a whole. Indeed, just as we have differing levels of explanations for peoples’ behaviour in terms of either physical laws, or in terms of the intentions of minds, so it may be possible to have differing levels of explanation for processes in the Universe as a whole, either in terms of physical laws, or in terms of what we might describe as a metamind or “God”.
Notice that whether it is in fact legitimate to infer the existence of a metamind or "God" will depend upon the character of the Universe as a whole. But the assertion of every atheist I have ever met is that there is no evidence whatsoever for any “God”. They are indeed quite emphatic in this assertion. But this position simply cannot be maintained as it is clear that the characteristics of the physical Universes as a whole could have been less suggestive of an associated meta-consciousness than what we actually witness. We just simply need to consider logically possible Universes. One might imagine for example that it could have been logically possible for us to have subsisted in a Universe where no physical laws at all pertained, and we found ourselves existing in a bodiless state experiencing a stream of random perceptual experiences through our senses.
But even if we are to suppose that such a Universe were somehow not logically possible, it certainly seems that we could have subsisted in a differing Universe from the one we find ourselves in, but which didn’t exhibit the regularities exhibited by our Universe. Regularities, don’t forget, which can be captured by our scientific theories written in the language of mathematics. At least in physics these theories need not depict a literal state of affairs, and in the past have found to be limited in their scope e.g. Newtonian mechanics. Notwithstanding this, our theories still work in the sense of accurately predicting the cause of our perceptual experiences. One almost gets the impression that the Universe is contrived in such a manner that intelligent sentient beings are just to say able to do this! After all, we can easily imagine a Universe not exhibiting any patterns, or if it did exhibit patterns those patterns not being amenable to mathematical investigation or being too abstruse for us to discern.
It should be noted that I am not arguing that the existence of a “God” is proved, nor that the existence of a “God” is as likely as the existence of other people, nor even that the existence of a God is even likely. What I have just done is to demonstrate that even under a materialist interpretation of the world, it is not only possible to believe in a “God”, but that the characteristics of the world go someway towards lending some evidence for a God. If I am able to do this by assuming a materialist framework, then a fortiori I will be able to do this under any other metaphysical interpretation of the world, such as for example immaterialism.
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