I hope you also read the rest of my posting...:
And, yes, I have put quotes around 'elsewhere'. I wanted to express that from the view of the physicist or neurologist there is no reason to suspect that there is still a causal component missing, i.e. they do not have the full picture: in their view the system is 'physically causally closed'.
I do not have time now to fully explain my ideas, but even then, these do not lead me to a definite position if 'downward causation' is the correct concept to describe what happens.
So here is just one thought: a system can express free will only when a higher level description in terms of intentionality and actions is valid. To give a negative example (much used in the metaphorical sense, but still leads to confusion sometimes):
Objects want to move with constant speed in a straight line, but planets are forced to move in ellipses around the sun by its gravity.
Assigning free/forced speech just makes no sense here. But for humans it does. BTW, same holds for 'laws of nature': they do not force objects to behave like they do; they are descriptions of regularities we discover in nature.
I might have a problem in this 'irreducible value'. Can you explain?
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@AIkonoklazt: To be honest, I have no lust discussing with you. For me, you speak too often in a denigrating tone to, and about others. Maybe you should reflect a bit more on yourself, when you have the experience that people react hostile at you, and are even thrown out from other fora, as you wrote yourself:
I love exchange of arguments, but not when the question is "who is right". Seeing what the better arguments are, that is interesting. I only have a simple question, but I will only ask it, if you are prepared to down your voice a bit. Maybe you have deeper insight in this stuff then I do. But nobody wants to be treated as if he or she is dumb, or an asshole, or both.