Ironside said:
I just don't really agree with it. I know what you're saying, but in the softer form of solipsism, I'm conscious and you're a zombie right?
Well, you can try to convince me that you are not a zombie, but I will then say that you are just a heap of molecules which behave the way your body behaves because of the physics of it, in the same way that a falling stone behaves or a computer behaves because of the physics of its internal workings. It is not clear to me that you are having subjective experiences in that body. If I talk to you, I could in principle follow the nerve pulses from your ears to your brain, and if I had a good enough description of your physical brain, I would understand the mechanisms that make nerve pulses go out also of that brain, and actuate certain muscles (like your vocal cords and so on). In other words, if I knew enough of the physics of your body, I would be able to understand why you utter these or those words ; I could even simulate it on a computer probably. So I would not be tempted to assume that there's some subjective experience going on in the physical structure that I have in front of me. The only reason to assume that is by analogy, because your body ressembles mine, and that I *know* that I have subjective experiences.
Now, of course, from your point of view, you can take the same attitude, and then you'll never be able to find out whether inside my body, there are really subjective experiences, or whether all this is "just mechanics" in a way. Even my bodily reactions which could be qualified by "emotional" would just be physically explainable by the internal physical machinery of my body, in a similar way as the fall of a stone would be explainable.
So wouldn't you think the same thing? Which one is which. Also, in the solipsism of the hard kind, if i understand correctly, if everything is an illusion, then I'm an illusion too?
Yes, you are an illusion in my "imaginary world", just like a figure in a dream of mine. Now, maybe you have a subjective experience (I'll never know). Then I could very well be a figure in your "dream". There's no way for you to find out, because your dream will be consistent with me being real.