>If that is true, you have a proof that the Church-Turing thesis is false.
We're talking the physical version right? I don't have any counter examples that I can describe, but I could hold that that's because human language, perception and cognition cannot capture the mechanisms that are necessary to produce them.
But I won't as that's cheating.
Instead I would say that although I can't disprove PCT it's not proven either, and unlike other unproven things like P!=NP this is about physical systems. Some people think that all of physical reality is discrete (quantized), if they are right then PCT could be true. However, I don't think this is so as I think that it means that you have to consider time as unreal, and I think that's basically as crazy as denying consciousness and free will. I know that a lot of physicists are very clever, but those of them that have lost the sense to differentiate between a system for describing parts of the universe and a system that defines the workings of the universe as we cannot comprehend it are not good at parties in my experience.
>For this to be relevant, you'd need to show that there are possible sensory inputs that can't be simulated to a point where the "brain" in question - be it natural or artificial - can't tell the difference.
I dunno what you mean by "relevant" here - you seem to be denying that there is
a difference between reality and unreality? Like a Super Cartesian idea where you say that not only is the mind separate from the body but that the existence of bodies or indeed the universe that they are instantiated in is irrelevant and doesn't matter?
Wild. Kinda fun, but wild.
I stand by my point though, computing functions about how molecules interact with each other and lead to the propagation of signals along neural pathways to generate qualia is only the same as tasting beer if the qualia are real. I don't see that there is any account of how computation can create a feeling of reality or what it is like to. At some point you have to hit the bottom and actually have an experience.
We're talking the physical version right? I don't have any counter examples that I can describe, but I could hold that that's because human language, perception and cognition cannot capture the mechanisms that are necessary to produce them.
But I won't as that's cheating.
Instead I would say that although I can't disprove PCT it's not proven either, and unlike other unproven things like P!=NP this is about physical systems. Some people think that all of physical reality is discrete (quantized), if they are right then PCT could be true. However, I don't think this is so as I think that it means that you have to consider time as unreal, and I think that's basically as crazy as denying consciousness and free will. I know that a lot of physicists are very clever, but those of them that have lost the sense to differentiate between a system for describing parts of the universe and a system that defines the workings of the universe as we cannot comprehend it are not good at parties in my experience.
>For this to be relevant, you'd need to show that there are possible sensory inputs that can't be simulated to a point where the "brain" in question - be it natural or artificial - can't tell the difference.
I dunno what you mean by "relevant" here - you seem to be denying that there is a difference between reality and unreality? Like a Super Cartesian idea where you say that not only is the mind separate from the body but that the existence of bodies or indeed the universe that they are instantiated in is irrelevant and doesn't matter?
Wild. Kinda fun, but wild.
I stand by my point though, computing functions about how molecules interact with each other and lead to the propagation of signals along neural pathways to generate qualia is only the same as tasting beer if the qualia are real. I don't see that there is any account of how computation can create a feeling of reality or what it is like to. At some point you have to hit the bottom and actually have an experience.