Bri said:
I haven't read the whole article yet, so I won't say one way or the other, but it so far doesn't mention any irrefutable evidence, which would indicate that the matter might still be up in the air.
If there will ever be an irrefutable evidence, then it will refutate most of current theories of epistemology, I guess, which claim that nothing is irrefutable and everything is "still up in the air". Of course you are free to doubt quantum mechanics. Nevertheless, I hope you will do better than some other posters here who tend to argue "I don't know anything about a certain subject, but since there can't be an irrefutable proof in favor of it, it must be wrong" (well, who might I have in mind here?).
As far as I understand (and I am no expert in this field), it is quite undisputed that there are some areas of conflict between quantum mechanics and relativity, so an ultimate theory of everything will have to somehow resolve this conflict. Nevertheless, there is a well-known domain where quantum mechanics works and where it makes testable predictions. And within this domain, the evidence is quite overwhelming.
But of course still not irrefutable...
I don't think the whole scientific community has yet jumped on the quantum theory bandwagon yet, but I very well may have been corrected in my statement that a lack of evidence of quantum theory would preclude a skeptic from believing it.
As explained above, I would say that the whole relevant scientific community has jumped on the quantum theory bandwagon. But you are still allowed to doubt it. Such doubt would, of course, be more interesting if it could be supported by some kind of argument.
That's what I gathered, but even supposing he is correct (that randomness is impossible) I still don't see how he jumps from that conclusion to the existance of God. Causation, which is the fallback theory if randomness is impossible, would still seem to be evidence against the existance of God.
Of course it would be far better if Iacchus (by the way, it's "iacchus", not "Lacchus") would thoroughly explain his views, unfortunately, I doubt it will happen any time soon.
I guess — but bear in mind that this is only guesswork and produced out of rather thin air — that for Iacchus, there are only two camps: himself and the rest of the universe. We, the rest of the universe, are supposed to claim that something came from nothing, which is supposed to be absurd. And since that shows that we, the rest of the universe, got it wrong, it also shows that whatever Iacchus claims must be the truth.
Yes, OK, but that would be circular logic. If you're using the argument that the lack of randomness is evidence of God, then you can't then say that God is evidence that there is no true randomness.
Sorry, obviously I wasn't clear enough: in this case, I wasn't trying to reconstruct The Lost Theory Of Iacchus, but I was only trying to explain why "true randomness" is a metaphysical concept, so it can be argued that it's reasonable to define "randomness" different from "true randomness".
Quantum theory (if my understanding is correct) doesn't just state that mortals will never obtain the knowledge needed to predict the effect of a given cause, it states that effect is unpredictable (meaning not predictable with 100% accuracy, not meaning that we cannot predict the probability of something happening). In other words, quantum theory states that they are truly random.
In other words, a certain cause will always produce the same effect or it won't. Causation vs. quantum theory.
I am not certain if I understand you here. As I understand it, it is this way: there are certain situations where we can say that two possible outcomes are equal likely (the instable atom under observation will decay within the next half hour, or it wont), and we know that there is no way we can narrow that down any further.
In my opinion, this discussion concerns three mutually exclusive theories: causation, quantum theory, and free will.
Perhaps those terms are not very lucky; I would prefer "determinism", "random indeterminism" and "libertarian free will". As I mentioned, there are metaphysical interpretations of quantum physics out there which are completely deterministic. And there are concepts of free will that are compatible with determinism.
I don't see how free will (given the meaning you seem to use) is possible: any outcome is either completely determined by rigid laws, which would be determinism, or it isn't, which would be random indeterminism.
Assume you have an immortal, immaterial soul that somehow manages to operate the neurons in your brain. Fine. Now, this immaterial soul, does it follow deterministic laws? If yes, then determinism is true. If no, then once again random indeterminism is true. Dualism just shifts the problem a bit around, it doesn't solve it.
But you can see why most dualist theories (although not all) are also theist. It could easily be argued that even the non-theist dualist theories are really theist depending on your defintion of "god."
I agree. But the converse doesn't hold: you can be a theist without believing in (the ambitious version of) free will. Since the obsession with free will is a rather new one, compared with the ancient idea of supreme beings, I guess few theists ever worried about free will. And since you said "Generally, the existence of God would assume that we have free will", I wanted to know how this should work.