Quote Recoverer:
"Let's say two people are debating about whether or not global warming is true. Their openess of mind wouldn't be dependent upon the quantum principles that make up their bodies. It would be dependent upon whether they have reached the point where they can use their minds in a way that isn't impulsive, and whether they have developed the ability to question the conclusions their minds have come to."
Yes, true. But what you are saying would not be possible if these persons had free will, as this will then would be independent from what they have learnt, what they are, from their personality etc. Otherwise their will won't be free. That's why I say "free will" is incompatible with a person (when saying "someone has a free will").
Quote Recoverer:
"Because I have a sufficient amount of self awareness, I've found that in different circumstances I have the option of listening to what my ego and higher self have to say (I don't mean I receive a message from my disk), and choose according to what makes the most sense. When I do this, it seems as if there is a part of me that is independent of the two."
I again agree with your description! You listen to the voices inside you and then you (or, as you say, your independent part of you) carefully weigh arguments and you choose the option which makes most sense. But this would be impossible when a free will comes into play. Because a FREE will would be independent from all your pondering and reasoning; if your will, your choice is a result of your reasoning, then by definition it is not free, but just the result of your reasoning! That's why I see it as impossible that a person "has" free will. In the moment the free will occurs, the person vanishes.
Quote Recoverer:
"It is rather self defeating to conclude that we don't have free will. "
The propagation of a free will is self-defeating! Because if you ascribe a person a free will it means this person isn't responsible for his/her will, because the will is free. The composition that someone has a free will is contradictive. A person, with his/her experiences, traits, beliefs, knowledge etc. would be unable to make own choices when a free will would take over, this term is contradictive because a person's free will would be free from that person. So, let's just say "a person's will" and cut the "free" out.
And this issue hasn't anything to do with non-duality gurus or so. For Sylvester and Parsons "free will" is a meaningless phrase because they say time isn't real, and then pretty much everything is meaningless. My point is a different one, I don't deny the existence of time. Philosopher Kant has seen the impossibility of freedom in a similar way (but his "solution" isn't a solution but nonsense, as it undermines his own system, I can't really recommend his "critic of pure reason" unless you're a philosophy student). From my position, I'm not propagating something which could be so or not so, I'm trying to describe a contradiction.
Quote Recoverer:
"Regarding the two slit experiment, I'm no expert, but I've always had the feeling that perhaps subatomic particles have a nature that can appear as either a particle or a wave without being either. Perhap they go through two slits as they do because their nature, which can't be defined or limited by a 3d way of thinking, enables them to go through two slits at a time."
One result of the double slit experiment is that something can be a particle and a wave AT THE SAME TIME. I'm too much rooted in space and time to find that not mind-buggling
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Matthew:
The non-prescriptedness, or unpredictability of decisions (and the future in general) doesn't depend on the existence of a free will. The world can be unpredictable without a free will. Whether unpredictable or predictable depends on the structure of the world, if it consists entirely of something which has exact values or not. In the first case it would be predictable for an entity which knows all those values and can process it aka the Laplace Demon (although I'm not completely certain about that regarding the so called three-body-problem), in the latter case it would be unpredictable. People who interprete quantum mechanics in a certain way conclude that the world is unpredictable (on a cosmological level though it might be possible to make a good prognosis).
So, we have to separate the "free will" problem from the question of the predictability of the future, whether it's open or already written.
Quote Matthew:
"Even if, we assume tendencies and probabilities and accumulated consequences from past actions, I know, at a core level, that this "me" or "I" that is out there can and do make unpredictable choices, which causes a varied and at some stage unique chain of change and evolution."
Yes, I have no problem with that. That's not the point. The point is that I can't see how "free will" is compatible with what you said here. When we, or our core self, make choices, these are the choices of that self. Now, if these choices would be a result of a free will, those choices won't be anyone's choices, it is impossible that an entity which make choices (and insofar is in time) does have a free will, as exactly this freedom (by definition, that's why it's called free) makes this will independent (therefore independent as well of that person's history and all his/her attributes), and cannot anymore ascribed to such an entity. It is a contradictio in adiecto.
Spooky