jay123 on Jul 1 2008, 12:42 AM, said:
Say i was to take 10 identical universes(theoretically). Create them all in the exact same way, and trigger the same event in each, that caused a chain reaction, that resulted in life in the exact same way in each of the universes.
Then, in 10 billion years, i check on them. Wouldnt each one be the exact copy of the next? The same people, the same gene pool, the same exact movements in each of these universes.
Surely this means, that free will is an illusion, because it couldnt have gone any other way! Its like a form of accidental fate. there isn't free will, your just a consequence of an unstoppable chain reaction that invetibly led you to were you are today.
we could create this universe s1000 times and each one would be exactly like the previous one.
Even the thought im thinking now, couldnt be thought differently.
its a mind blowing thought, and its hurting my little mind. please someone say im wrong

Free will! Bizarre concept isn't it. I have problems with the idea personally, and do tend to think free will is illusory, but I'll come to that.
Your 10 identical universes for 10 billion years example, I think, forgets about random and acausal events which QM tells us happens on the level of the very, very small. Because of various aspects of the quantum world, after 10 billion years I'm fairly certain that those universes (or at least the configuration of all the particles inside them) would be fairly different from one another. Not necessarily because of free will, though.
To modify your example, maybe we could take 10 identical universes (here's some I made earlier), and press 'play' on them at exactly the same moment - a moment at which in each of them you're about to make a decision. Whether you would make identical decisions in each of the universes I think depends mostly on the nature of 'mind'. Assuming mind is a product of brain, then it also depends on the nature of 'brain'. Does the brain function on a quantum level? The short answer is that no-one knows, though some such as Roger Penrose (I seem to keep mentioning him just lately for some reason) argue that it does. If it doesn't, then there is no randomness involved in your mind, and you will take the same decision in each universe. If nondeterministic processes
are involved in cognition, however, then mind and its decisions are probabilistic, which means you might find that one of those ten universes has you making a different decision.
My own problem with free will is simply that I can't make the concept make any sense.
The reason for this is that, as I see it, I can either make a decision according to my
personality, or attempt to make a random decision in which my personality is not involved. The latter can be disregardded, as, even I was able to do this, it would be a decision in itself, and the resulting random decision wouldn't be a 'free will' one anyway.
So, the type of decision that I make according to my personality is the sort normally regarded as a 'free will' decision.
But I didn't choose my personality! 'I' can't have done, since my personality
is me - if I chose it, then at the point I chose it I wouldn't have had that personality. So presumably I'd have had a different one, also not chosen by me. Problem of infinite regression?
There's simply no way 'I' could have chosen the criteria against which I make any decisions. Free will just seems to me to be a meaningless term.
Edited by Nucular, 02 July 2008 - 01:47 PM.