Agreed but that doesn't seem to negate the existence of noumena. The point of BiV gedanken experiment is only to show that our total dependence on phenomena raises the possibility but not certainty of the absence of the noumenal world.
As I mentioned in my previous posts, neither Descartes' nor Harman's thought experiments prove the nonexistence of a physical world out there. All they do is cast doubt on it. You need a good reason to go from possible that not there to certain that noumena not there. — TheMadFool
The assumption is that something exists between perceiver and perceived, that some kind of medium makes what appears to be direct observation of the world, indirect observation. So what is it exactly that prohibits you from directly observing the world? What is it, exactly, that exists between you and what you perceive? — NOS4A2
The sticking point of the BiV thought experiment is that we can stimulate specific combination of neurons in ways that mimic to a T actual experiences. For instance, I could apply an electrical current to the pressure & temperature sensors in your hand and give you the feeling that you're holding a hot cup of tea. There is no hot cuppa! A little extrapolation and you can now think yourself as a nothing more than a brain in vat whose entire reality is simply a supercomputer causing specific combinations of neurons to fire. Like the cuppa isn't real, neither is the world the brain perceives.
I recall pointing out once in another thread roughly half a year ago that there's only one thing we can be absolutely certain about - mental experience. The so-called physical world could be an illusion/ a simulation. Compare that to how there's no plausible way we could cast doubt of a similar nature regarding the mind. To doubt the mind is to admit there's mind; how else can you doubt it? — TheMadFool
I see, but don't you see the difference? It would be as if explaining how food get in the stomach included an explanatory dead zone, and so there would be nothing to say. Explaining how the cat gets into a brain, BEGINS with a brain phenomenon, not with some affirmation of something that is not a phenomenon. The cat out there the knowledge of which you are trying to explain is not a phenomenon, but is supposed to have an existence beyond phenomena, something there that is discoverable to which you knowledge has found access. But how can this discoverable thing every make its way into that which makes it into a phenomenon, when to affirm this would require you to affirm what-is-not-a-phenomenon? How can a phenomenal system affirm what is not a phenomenon? Or even make sense out of such a thing? All thinking, causality, anything posited at all, is a brain event, so even when you start talking about electromagnetic waves being absorbed or reflected by the cats fur, you are stopped right there: How does light and its properties ever make it into the explanatory matrix of a brain? to be used to explain how the cat gets "in there"?Viewing humans as living organisms in an environment (which is what we are, I believe), I can't help but think this is tantamount to asking someone to explain how our food gets into our stomachs. — Ciceronianus the White
If one’s identity is expanded to include the entire body, beyond the surface of the brain and nervous system to the surface of one’s skin, observation of the external world is direct. There is no longer some medium or veil between perceiver and perceived. — NOS4A2
I strongly suspect this is not an epistemic act at all, but rather a distinction brains are hardwired to make. Witness organic brain disorders like schizophrenia where this distinction breaks down.
Instead of discarding as "bad metaphysics" what is called naïve realism here, why not instead bracket it with the disclaimer that this is not absolutely certain, but rather our best guess at the state of affairs. And describe why this qualifies as the best available guess (i.e. why brain in a vat can be cut away with Occam's Razor).
After all, whether or not we are envatted (love this coinage) is an empirical fact of the world, and empirical facts cannot, in principle, be proven with absolute certainty. All we can ever do is construct models which explain what we experience at the phenomenological level.
Absolute certainty is one of the great chimeras of philosophy. — hypericin
If philosophy is nothing more than our everyday experience and actions, then it is really nothing at all. At least nothing worth mentioning. You talk about philosophy consisting of analytic approaches to truly basic questions. Much, most, almost all of our daily experience is non-analytical, and good thing. It seems to me, without being able to point to specific evidence, that the only presuppositions to most of our daily experiences are more related to the structure of the mind than to analytic propositions. — T Clark
I don't share your... prejudice against religion, but it has always bothered me that the existence of God is considered a metaphysical question. That's because the existence of a monotheistic God present as a conscious entity is a matter of fact, true or false. That takes it out of the realm of metaphysics to me. I think other aspects of Gods and religions are appropriate subjects for metaphysical discussion. — T Clark
Agreed, except I think that science has presuppositions beyond those for other modes of thinking and experience. If not, you've diluted the idea of metaphysics, including epistemology, to insignificance. — T Clark
This is a metaphysical position. I think very few scientists have this kind of abstract understanding of what they do. Maybe I'm wrong. — T Clark
I've enjoyed this discussion. I am skeptical of the role you give phenomenology in your philosophy, but my understanding is based on reading summaries rather than primary sources. — T Clark
Dewey as I understand him thought of knowledge as the result of inquiry. He thought it was an error to characterize each of our encounters with the rest of the world as a "knowledge" relationship or event, or as the result of a process by which we "know" something. When we see something we've seen thousands of times before we don't engage in reasoning in order to say we've seen it, or to see it. We recognize it. When we believe we undergo or engage in a process to "know" each time we perceive something, we misunderstand what we are and what the rest of the world is, and how we interact with it.
It's clear to me that Dewey thought ignoring context was a fundamental problem of philosophy. Reasoning, experimenting, is something we do to know something we don't already know--that's how we learn things about the world around us. But we don't do that all the time, because we don't have to. And the fact we do so or don't do so has nothing to do with the existence of the rest of the world.
As for Rorty, I think he departed from Pragmatism because he never accepted the respect both Peirce and Dewey had in method, specifically the scientific method and intelligent inquiry, as a means to resolve problems and questions, to understand and act. That's something I believe is essential to Pragmatism. No absolute truth, but "warranted assertibility" based on the best evidence available. This is what I think "saves" pragmatism from claims of relativism. Also, while Rorty thought Dewey was right to criticize metaphysics and metaphysicians, he also thought his effort at metaphysics was misguided. — Ciceronianus the White
Consciousness = soul, god, self, identity, presence, here, now, experience, evidence, omniscience, eternity, infinity, etc...
All those things are intrinsic to it. So self is not a problem. Self and consciousness are the same thing. You don't need to think to exist. Read/Watch some Eckhart Tolle. — hope
Mind = thoughts and beliefs
Consciousness = awareness, being, presence. — hope
Not really. I am discussing two models of the relation between myself and the world: the common sense brain in a skull, and far fetched but technically possible brain in a vat. In the first, it is just a given that there is a perception independent real world. — hypericin
Is the mystery here the hard problem? Because otherwise I don't really understand what's not to understand. — hypericin
No it doesn't.
Consciousness and mind are two very different things. — hope
First off, I get annoyed when people claim that each new discovery calls for a reevaluation of our understanding of reality. Does quantum mechanics require us to rethink metaphysics? My first reaction is to say no. I want to keep my metaphysics separate from physics. But on the other hand, I'm wonder if I'm being rigid. — T Clark
Doesn't this point to a weakness of understanding in the scientists? Shouldn't they be interested in the metaphysical underpinnings of what they study? Can you effectively study something without being aware of your presuppositions? How can you apply the scientific method unless you understand it? Doesn't that mean that physicist's language does have a place in philosophy?
Am I talking about the same things you are? — T Clark
It's easy to say something is a waste of time when apparently you don't understand that something. — 180 Proof
the brain is just an a pattern of color in the mind
look and see
but dont look with your eyes. look with consciousness — hope
fyi – Neil Degrasse Tyson is also a physicist and so speaks their language even when he's speculating. And Daniel Dennett has conceived of a variation on phenomenology he calls "heterophenomenology". — 180 Proof
We have to dig deeper to find the essence which Wittgenstein believes (mistakenly?) doesn't exist. — TheMadFool
Rorty isn't necessarily representative of Pragmatism, as I assume you know. Susan Haack doesn't believe he is one, and I have my doubts as well. Anyone who claims Dewey is a postmodernist may have trouble understanding Pragmatism in general. — Ciceronianus the White
It's not a thesis about what we are, but about what it is to know something. Pragmatism will not allow to posit anything about what the world is, for it is bound to a ubiquitous epistemology that does not yield up things and there presence. Such is impossible, like walking on water. All the understanding can ever know is the forward looking end of a problem solved. Anything beyond this is just metaphysical hogwash. And problems and their solutions are manufactured in the process of engagement. See Dewey's Art As Experience: both the aesthetic and the cognitive issue from the consummatory conclusion of a problem solved. To know, in other words, is to put something to use successfully. This is a "made" affair.We don't "discover" the world of course, being part of it. But neither do we "make" it--again because we're part of it. We seem inclined to either consider ourselves separate from the rest of the world or consider ourselves creators of the rest of the world. But we're neither. — Ciceronianus the White
Wittgenstein, it seems, was misled by superficial differences in morality - he failed to consider that there might be an underlying principle that connects an apple's fall and the revolution of the planets. — TheMadFool
Whether or not what we've left behind is a room is another, or rather the same, metaphysical question. People may find it "impossible" because it's hard to see beyond language. As long as "room" is hanging around, it's hard to conceive that the room itself may not be. — T Clark
Witnessing and apprehending are not immediate or at the very basic level. They are up the ladder of mental processing from the place where objective reality is encountered. Unless there is something more basic, which makes sense to me. — T Clark
Not at all transparent, but how is that different from a brain in a skull-vat rather than a glass-vat? — T Clark
I imagine a baby "thinking" to itself as it holds it toes - "Hey, when I hold these things, I can feel something. Hey...wait a minute - I think they are part of me." So, anyway, I guess that means we learn inside from outside the same way we learn everything else. Why is that a mystery? It seems plausible to me. — T Clark
I think the relationship between the organism (a human, in this case) and the environment it which it lives is far too close and interrelated to come to such a conclusion. The "boundary" between the two is far more permeable than this conclusion would require--it would require it to be fixed and impermeable. We have no reason to believe that the rest of the world is so different from what we interact with every moment of our lives as to be inconceivable. — Ciceronianus the White
Thanks! It's always nice to find I'm at least wandering down a path others see as well. I do intend on at least reading over the lecture on the ethics. What little I've gleamed is he seems like a secular phenomenologist. I read a stack of paper produced by Hegel and could only tell you he wants to see what God sees in order to make sense of things to humans. I think Einstein's approach of accounting for what things look like from the subjective and then explaining it from the objective was the reconciliation phenomenology required. Thanks again for the references; I'll look forward to seeing what the developed form of my objection entails. — Cheshire
No. Familiar perceptions do not reveal the world as it is. "Perceiving the world as it is" is a contradiction in terms. But, they do reveal mappings from the real world onto perceptual planes. — hypericin
That is the difference between brain-in-a-skull and brain-in-a-vat. BiaS can still count on its perceptual machinery being functions on reality of some sort: given the output of these functions, things about the input can be deduced. But with BiaV that link is severed completely: perception tells us nothing about reality whatsoever, where reality is the world beyond the vat. — hypericin
Skepticism is not contradictory - "...defend both sides..." All it states is given a proposition p, it can't be known whether p or ~p. In other words, the doubt (p/~p) can't be cleared. It definitely doesn't claim p and ~p which would be to "...defend both sides..." I can't stress this enough. — TheMadFool
That's only true if you're certain that there's no objective reality. That is a luxury we can't afford. — TheMadFool
I believe that some philosophers were of the opinion that sensible propositions are those that can be verified by which I suppose they meant the proposition should be amenable to testing. — TheMadFool
As I said, once a proposition is formulated, it's either true/false. Not nonsense! — TheMadFool
So that's what Pragmatists think!
I was under the impression that Dewey generally wasn't inclined to accept that there's an "out there" and an "in here." So, I think it's inappropriate even to refer to an "external world" in his view. We (including our minds) are parts of the same world, and our experience the result of our existing as a living organism in an environment and interacting with it. He's neither a realist nor an anti-realist as I understand him. I don't think he ever denied the existence of other components of the world. The "out there" and the "in here" merge as part of the manner in which we live in the same world, to put it very simply. There's no question of not knowing what's "out there" as a general proposition, i.e. it doesn't arise in general, though it may in particular.
That is in any case my interpretation of Dewey.
We interact with the rest of the world as we all do and have always done regardless of metaphysical concerns we claim to have. — Ciceronianus the White
Well, you have a point but the error in judgment you commit is that now you've swung to the other extreme - to believing in subjectivity. This is not the intent/aim/goal of skepticism (Cartesian & Harmanian). What Descartes and Harman want to accomplish is to only, I repeat only, sow the seed of doubt in the garden of epistemology. This seed of uncertainty has germinated and is now a healthy (dose of skepticism) plant in full bloom but...it in no way diminshes the value of the other flowers (knowledge) that it grows alongside. If it does anything, it makes us unsure as to whether the flowers present are real or fake. That's not a bad thing if you take the time to realize artificial flowers are so well-made that it's impossible to distinguish them from real ones. If so, does it matter subjective or objective? They're identical insofar as our ability to tell which. — TheMadFool
The pain itself probably is not guessing since we seem to experience it. The guessing seems to come into it when we are trying to explain how contact with the sharp glass translates itself into the sensation of pain, who or what it is that perceives and interprets it and why, etc.
As the way we perceive things tends to change from one individual to another, and from situation to situation, at least some of it seems to be subjective. — Apollodorus
Not sure what "epistemically opaque" means. How is that different from our brains? — T Clark
This doesn't seem right to me. What's the big mystery about getting stuff from out there in here? We are wired to the outside. Signals come down the wires. Our nervous and other systems process the signals. That processing is called "the mind." We send signals back. — T Clark
I agree with this. The idea of objective reality can be really useful, but it's not true. Or false for that matter. That's how metaphysics works. — T Clark
Suffering is the challenge we as a species need to go through to weed out the weak and make sure only the strongest survive. The purpose evolution. — SteveMinjares
So we don’t have to do the dirty task ourselves nature does it herself and goes through the process of elimination. This is not by societies choice but by design by evolution and nature to give the human race the greatest chance of survival. — SteveMinjares
Is the ego of humans to believe we don’t abide by the same rules that of the other creatures of this Earth.
Yes it hurts, and yes it sucks but it been working for millions of years so who are we to question it.
Yes people will suffer others will experience the heartache of witnessing such things but by each passing event that happen the next Generation becomes better, stronger and wiser.
Is the individual that disapproves this cause they desire a easier alternative. — SteveMinjares
Oh, they've been given far more than their due, I would think. For good or ill, we're part of the world just like everything else--even that little homunculus in our head some people assume exists. — Ciceronianus the White
I think that the 'out there' being 'in there' in the brain is probably captured in the idea, which goes back to Plato, of the microcosm and the macroscosm. The brain is so complex as the neuroscientists show, and if there are deficits, it affects the whole wiring, and psychedelics can create transformations, as suggested by Huxley's 'Doors of Perception'. But, we cannot step outside of our brains to perceive true objective reality, as suggested by Nagel in 'The View From Nowhere'. — Jack Cummins
I see no difference between what you say here and what Descartes and Gilbert Harman are implying with their thought experiments. The idea is to rattle the cage of dogmatists (?) - grasp them by their arms firmly and shake them hard till the come to their senses or simply slap them across their faces until they come to the realization that certainty is the aporia in the sense that it's impossible.
Am I sure? you might ask. Exactly, I would reply! The answer is the question! — TheMadFool
Maybe it's time to change the vat. Or its contents, as the case may be — Apollodorus
Correct. When it comes to things like consciousness, how it operates, and how it produces cognition, perception, experience, etc. it is all guess work. — Apollodorus
The brain in a vat is simply Descartes' deus deceptor given a modern sci-fi makeover. The point seems to be everything could be an illusion. In Descartes' gedanken experiment, the only certain knowledge is the self as a thinker, thinking thoughts. In the brain in a vat scenario, the "self as a thinker" is the brain. Come to think of, Gilbert Harman (the originator of the brain in a vat thought experiment) must've wanted to convey that such a horrific possibility remains alive even if physicalism were true. — TheMadFool
Morality is a form of social survival, humans depend on people to survive. And morality is a set of rules you need to follow to benefit from the community protection and care. You don’t follow the social rules you get exiled and you will have to find another community that thinks like you. Hopefully, you can benefit from there protection and care.
These moral rules is to prevent chaos, distress or presenting a threat to a community. Both physically and emotionally.
People tend to forget that the origin of morality comes from evolution and it serves an almost technical purpose also. Is not just all religious or political and such.
Morality was meant to be a set of rules to help the group corporate together to fend off threats and predators. Maximizing the greatest chance for survival.
But as we evolved as a civilization it became more complex. That emotional transgression coming from our peers became the predator.
Morality became almost like a filter to weed the undesirables out.
Morality is not just about character. Is a biological evolutionary mechanism to help humanity survive challenges we may face. — SteveMinjares
How does he account for these statements if he can't say anything? I suppose that comes up at some point. Observing a deficit is something if I can speak about it. I used to have the same intuitive opinion concerning ethics, but I've been talking about it for a week, so something is clearly there; strange we would hold something in such high regard and not manage to attach words to it. I might wait and see if the world produces a genius that writes more readable books. Thank you for the recommendations. — Cheshire