• Do we need objective truth?
    Well, guys, I have found people who agree with me, and people who disagree with me in a way that it feels like we're living in different realities and talking past each other, so I rest my case :wink:leo
    If we're talking past each other or living in different realities, then how can you say that we are disagreeing? Agreements and disagreements would be incoherent. Your view loses any distinction between delusions and any other kind of thought. And if we can only talk past each other, then what is the point of talking at all? Why should anyone care about your's or anyone else's subjective "truths"?

    Its so funny to watch you claim that truths are subjective while in the same post you go about telling how it is for all of us not just yourself. From my point of view you are simply maintaining your own delusion of having your cake and eating it too.

    All you have done this entire thread is render your own posts and ideas as useless because they don't apply to anyone else's reality except yours.
  • Do we need objective truth?
    I find that option no less plausible than believing the experiences we have in common stem from a world that exists independently of us. I am sure that I have experiences, I am confident that others have some experiences in common with me, I am less certain that these experiences stem from a world independent of us (as in a world that doesn't depend on minds).

    I have evidence of mind (my own), I don't have evidence of something that doesn't depend on mind.
    leo

    When you go to sleep, do you need someone to observe you to maintain your existence so that you can wake up later? What happens to us when we go to sleep by ourselves?

    It is inconsistent to be confident in the existence of other minds when the only evidence you have are the observations of the behavior of other bodies (you never observe other minds), and yet claim that you can't be sure that your experiences are of a world that exists independent of your observations of it.

    What makes you confident that minds (whose properties you can't observe) exists, but not so confident the actual bodies (with properties that you do observe) exists when you aren't looking?

    What is the medium that separates minds and why would any separate mind have common experiences?
  • Do we need objective truth?
    What is the difference between truth and belief? Cambridge dictionary defines belief as "the feeling of being certain that something exists or is true". You're implicitly saying that there is a true way to differentiate between truth and belief.leo
    Your own definition makes the same distinction I am making. A belief is a feeling and feelings tend to be projected onto things that have no feelings, which is how subjectivity crops up. A belief is a feeling of being certain, but that doesn't necessarily mean that it is true. You can feel certain, but that doesn't necessarily mean that what your feeling is about is true. As your definition states, it is what those feelings are about - meaning some state of affairs independent of your beliefs and feelings - that are true. Your feelings are just another state-of-affairs which I can have beliefs about, but your feelings exist in a such a way independent of any of my feelings or beliefs about them. How your feelings are are true, but what they are about is a different story entirely.


    You're saying it is true that the Earth is a sphere, but many people say it is true that the Earth is an ellipsoid, and many other people say that it is true the Earth is neither a sphere nor an ellipsoid but something that approximates these shapes, and many other people say it is true that the Earth is flat. Who is right? Who is stating a truth and who is stating a belief?leo
    We are all stating beliefs. The real shape of the Earth, independent of our statements about it's shape, is the truth - objective. Some of our terms are meant to be approximations, like the terms we use to describe the Earth's shape. "Accuracy" is a term that I like to use when it comes to the relationship between our claims and the truth. Our claims are more or less accurate when it comes to describing how things actually are (the truth). So some of these terms may be more accurate, but not necessarily entirely accurate, than others when describing the shape of the Earth.


    If I disagree with you, how is your truth objective?leo
    Asking how truth is objective is incoherent because truth and objectivity are the same thing. If truth/objective is independent of our beliefs then it doesn't matter whether you disagree or not. It doesn't even matter if you are aware of it or not. Truth is independent of your awareness.

    Do you admit that there are things that are happening right now that you aren't aware of so your feelings about them have no bearing on their existence or their objectivity?


    Your beliefs are such that they exist independent of what I think or believe about them.Harry Hindu
    Solipsists do not agree with that, so how are my beliefs objective?leo
    It is incoherent to use Solipsist in the plural sense. If solipsism is the case, then there can only be one solipsist. If solipsism is the case, then beliefs become incoherent as there would be no aboutness to beliefs. The idea of solipsism makes the concept of "mind" incoherent.


    If there is no objective truth, then why do so many people on this forum feel the need to quote other philosophers as if those other philosophers hold some truth about others than just the philosopher being quoted? — Harry Hindu

    Because they agree with these philosophers, they share the same point of view about something, or they believe they do. This is my view, my personal truth. If you disagree with me, then you have a different truth, and we're not sharing the same truth, so it isn't objective.
    leo
    Then we would always be talking past each other - never talking about the same thing.
  • Illusionism undermines Epistemology
    But it seems an error to suppose that consciousness can be produced merely by winding enough of the right sort of "information processing" into an AI program. To wit, Searle's Chinese room.Cabbage Farmer
    Searle's Chinese Room is a thought experiment that is easily debunked for many reasons, one of which is that Searle never defines "understand" to show the difference between "real" understanding and "simulated" understanding. Is there a phenomenal difference between the two? Is this relying on the untenable, and biased, position that carbon-based constructs are special in that they generate consciousness while silicon-based constructs cannot?

    In the thought experiment Searle attempts to show that the man in the room doesn't understand Chinese, but the problem with Searle's thought experiment is that the instructions in the room aren't for understanding Chinese, or more specifically, the instructions aren't for interpreting the arbitrary symbols the same way as people from China would.

    The visual and auditory symbols we use for communication are arbitrary. Large groups of human beings have simply agreed upon the rules for interpreting the symbols. We could have agreed upon different rules, just as other groups of human beings have. Many groups use the same symbols (their alphabets are similar) in different strings to mean the same thing, ie. tree, arbol, arbre, etc. So understanding some language is merely knowing the rules for interpreting some symbols to be able to apply that knowledge by using those symbols to communicate with others in coherent conversations.

    The man in the room isn't given a set of rules for interpreting the symbols that people in China were given. The man understands something, and it is what to write when he sees certain symbols. That is what those symbols mean to him, and he could eventually become experienced enough to memorize those rules so that he doesn't have to reference them in the room any longer, they are now in his head.

    If the man had rules that translated the Chinese symbol to the English equivalent, which Searle says that the man does understand (it's his native language), then he would begin to be able to interpret the symbols the way people from China would.

    The native language of computers is machine language - the binary language of 1's and 0's. Programmers can create programs in machine code, but it is very time consuming so we have high level languages like Java and C+, which are more like English. But these programs need to be compiled which converts the high level language into machine code for the computer to execute. The computer understands machine language but needs an interpreter to understand other languages, just you and the man in the room would. The problem with the rules in the room is that they weren't an interpretation of Chinese into English. They were some other set of rules.

    So computers can understand things, but is there a phenomenal aspect to their understanding? How do you know that a mass of grey matter has any phenomenal aspect to it?
  • Kastrup's The Idea of the World
    Then the world we see is an appearance of a greater mind we all belong to, which includes the whole world. When we explore the world, we are indirectly exploring that mind.leo

    I'm confused. When I read your post, am I accessing ideas in your mind or the greater mind? Your words exist out in this world that you call a greater mind, so how do I know that the scribbles on the screen are yours or this greater mind's words?
  • Do we need objective truth?
    The concept of objective truth seems incoherent to me. If we say objective truth is something everyone agrees on, it seems that there is nothing everyone agrees on, and not everyone agrees that "there is nothing everyone agrees on", and so on and so forth.

    If we say that objective truth exists out there but we can't access it or not all of us can access it, then how is that an objective truth? If no one can access it then it's an idea, not a thing, and if only some can access it then it is personal, not objective.

    However if we say "There is only personal truth", then we are not stating an objective truth, we are stating a personal truth, and that way we can remain coherent.
    leo
    "Objective truth" is a redundancy. What is objective is the truth. It is objective that the Earth is a sphere, not flat, despite what people believed, or still believe. You are even making the objective claim that reality is such a way independent of what others think or believe - that there is no objective truth. If I were to say that there is only objective truth, am I right or wrong in disagreeing with you? What would be the point of disagreeing?

    Your personal truth is just another "objective truth". Your beliefs are such that they exist independent of what I think or believe about them. I can refer to your "personal truths" with language just as I can refer to a sunset with language and I would be right or wrong about your personal truths based on how accurate my description of your personal truths are.

    If there is no objective truth, then why do so many people on this forum feel the need to quote other philosophers as if those other philosophers hold some truth about others than just the philosopher being quoted?
  • Illusionism undermines Epistemology
    This sounds like the integrated information theory of consciousness. I'm unclear as to where that is a property dualism, strong emergentism or some form of identity theory.Marchesk
    Yes, it is like the integrated information theory of consciousness. I don't see how it could be any type of dualism as dualism in any form is contradictory and has a hard problem itself of explaining how two different types of "properties" or "substances" interact. I have no idea what "strong emergentism" is (nothing comes up in a Google search). As for identity theory, that seems to have more to do with direct realism vs indirect realism. Is the brain you experience a mental model of others' mental information processing? When you look at another person, do you experience them as they truly are - a body with a brain, or is that just a model of what they really are - information? What about when you look in a mirror and see your body, but don't see a mind? What does that mean in relation to what you are? What are you when you look in the mirror - a mind, a body, something else?
  • Illusionism undermines Epistemology
    Maybe I should press this definitional issue:

    The p-zombies about which I've heard rumors are not just

    i) any AI that passes the Turing test; nor just

    ii) any AI automaton that passes the Turing test and outwardly resembles a human and is normally mistaken for a human under a wide range of ordinary circmstances; but rather are

    iii) biological creatures physically and behaviorally indistinguishable from human beings (which thus of course pass the Turing test), which creatures -- by definition in these discourses, if yet somehow inexplicably -- lack the thing we here agree to call "subjective experience with phenomenal character".

    Isn't it, specifically, the third sort of hypothetical construct we consider in the zombie discourses?
    Cabbage Farmer
    What would the difference between ii and iii be if the automaton had an outer layer that looked like flesh and therefore looked human and behaves like a human? The only real difference here would be one is electronic while the other is biological. Are you saying that biological matter gives rise to subjectivity while electronics cannot? I think that is part of the problem. I think we should be thinking of this from a perspective of information processing which can be performed by both biological and electronic machines.

    The problem with p-zombies is that one is expecting the same effect from different causes. If we should expect the same results from difference causes, then that throws a wrench into all scientific knowledge that we've accumulated over the centuries. For me, a p-zombie is impossible, and it is possible for electronic machines to have a point-of-view because a point-of-view is simply an information superstructure in working memory used to navigate the world. P-zombies must have a point of view in order to behave like humans. If they don't then they can't behave identically to humans and would be illogical to expect one to.

    The two idioms you gesture at here, which I might distinguish as ordinary language and scientific language, are both cultural products of human animals, cumulatively informed by experience of the empirical world as it appears to us.

    I see no reason to suppose that p-zombies -- which are by definition in these discourses, I take it, physically and behaviorally identical to human beings -- would prefer either one of these idioms any more than we do.

    You seem to take for granted that the term "red" is primarily subjective. On what grounds would you support such a claim? Concepts like the concepts of red, loud, and painful all seem to have objective associations and criteria, so far as I can tell. They're less precise than the measurements made by those equipped to measure more precisely; but isn't that precision mainly a matter of the instrument employed, not of the distinction between subject and object? I mean, for instance in the first case, the naked eye, and in the second -- what do we use for that -- a spectrometer (the output of which is available to us via the naked eye or some other sense-receptor)?
    Cabbage Farmer
    I asked before, "Is it useful to perceive the apple is red?" I asserted that it wasn't. It is useful to perceive that the apple is ripe. Now the question is, is perceiving that the apple is red the same as perceiving it is ripe? Is the only way to perceive the ripeness of an apple is to see redness of the apple? If the answer is yes, then it IS useful to perceive the apple is red. One might say that redness of apples IS the perception of the ripeness of apples.

    I wouldn't use the term "subjective" here. I agree that our concepts have an objective property as we can talk about others' minds and their contents as if they are just another part of the world. Subjective is a property of language use where category errors are made in projecting value, or mental, properties onto objects that have no such properties. You might say that I am committing the same category error in attributing mental properties to computer-brained robots, but I am asserting that computer-brained robots have mental properties of working memory and a central executive (attention) that attends to the sensory information in working memory.

    There would be a "what it is like" for the computer-brained robot. It would be how the information superstructure is organized in its working memory. The information superstructure would be organized in such a way as to include information about the self relative to the world. That is how the world appears to us via our senses. The world appears located relative to the senses. That is what a point-of-view is, or what some would call, "subjective".


    I would argue that much traditional puzzling over "secondary qualities" consists in pseudoproblems and misconceptions, and should be cleared up through a rehabilitation of our concept of perception.

    What "converts" red light into an experience of red light and an experience of objects that emit or reflect red light? Cognitive systems like ours with sense receptors like ours.
    Cabbage Farmer
    I agree, and is why computer-brained robots with sensory devices like cameras, microphones, and tactile pressure points where information comes together into a working memory would have "experiences", or a point-of-view.
  • The Ontological Requisite For Perception As Yielded Through The Subject And Its Consequence
    All of that for which one can strive for apprehension therewith; the sum of every form and each instance in which all are brought to fruition, of which the world is itself constituted, is bound by the condition wherein there is present a subject through whom is yielded its sight yet neither are to subsist in a wholesome state if it be the case that either be absent whilst the other remains.Vessuvius
  • Illusionism undermines Epistemology
    And that electromagnetic radiation is what we're calling color out in the world.Terrapin Station

    As if anyone thought that a perception of a tree might be, in fact, identical to the tree. I know that Dennett has made comments in that vein a number of times as if he's saying something insightful.Terrapin Station

    As if anyone thought that the perception of EM energy (redness) might be identical to the EM energy.

    If they arent identical then how can we be referring to the same thing? How does red differ from EM wavelenghts of 680 nm?
  • Illusionism undermines Epistemology
    Here's an outright denial that credits Dennett and P. Churchland:Marchesk
    I've brought Graziano's theories to the forum before - primarily his attention-schema theory of consciousness. I believe that what he is proposing is that attention is interpreted as the point of subjectivity. The existence of attention is what provides that feeling of being in your head and attending to the contents of the mind. It is really just a brain mechanism of amplifying certain sensory signals over others.

    But Graziano seems to make the same mistake Dennett is making. They both talk about color as if it exists out in the world, when modern science says it doesn't. Electro-magnetic radiation exists out in the world and our brains process information about electromagnetic radiation and the processed information is color. Color and sounds have an aboutness to them. If they didn't then they would be the actual things themselves and color would exist out in the world and naive realism would be the case, and representations wouldn't.

    What use is it to know if an apple is red or not? It isn't. It is only useful to know if it is ripe or not, and the existence of color is our way of knowing that the apple is ripe or not.

    There are some interesting consequences for this argument. An identical p-zombie universe would still have all the same stories we have. But many stories have first person points of view. So how do p-zombies understand reading or watching someone's thoughts or dreams? How do they make sense of a character undergoing intense emotion not apparent to other characters? — Marchesk

    Arguably the p-zombies, as well as some sorts of advanced AI, would each have a sort of first-person point of view. I mean, we can say they make reliable introspective reports analogous to ours. For instance about states of appetite and emotion, about goals and plans and intentions, pains, sense-perceptions, memories, daydreams....

    Their observations and reports about things outside them as mediated by sense-receptors will be as fine-grained and reliable as ours; and their observations and reports about things inside them as mediated by "introspective processes" will be as fine-grained and reliable as ours. I believe this comes by definition in these discourses; this is part of what it means to be a p-zombie, if there could be such a thing.
    Cabbage Farmer
    P-zombies would use language in a way that would never refer to colors or sounds or feelings. They would use language in a way that refers to the causes of colors and sounds and feelings. They wouldn't use terms like, "red", "loud" or "painful". They would use terms like "680 nanometers" (the wavelength of EM energy that is registered as "red" in the mind), "amplitude", or "injury". In a sense they would use language as if they had a view from no where. They would never say that an apple is red. They could only say that the apple is ripe.

    The question I have is how does a 680 nanometer wavelength of EM energy convert into the color red? I can imagine wavelengths as black wavy lines and then I can imagine a blotch of the color red as two separate things. Are Graziano and Dennett both saying that there are no wavelengths of EM energy and that red exists out in the world which we access directly?
  • Illusionism undermines Epistemology
    I found this article by Dennett from the same year:
    https://royalsocietypublishing.org/doi/full/10.1098/rstb.2017.0342

    He states:
    For several reasons, researchers have typically either postponed addressing this question [the hard question] or failed to recognize—and assert—that their research on the ‘easy problems’ can be seen as addressing and resolving aspects of the hard question, thereby indirectly dismantling the hard problem piece by piece, without need of any revolution in science.

    ..the widespread conviction that qualia, thus conceived, must obviously exist if we are to make sense of our introspective access to them, is an illusion, not an optical illusion or auditory illusion, but a theorist's illusion, an artefact of bad theory, not observation. Richard Power nicely captures the source of this illusion.
    — D Dennett

    He then goes on to quote Richard Power:
    We know that our perceptions or imaginings of trees, faces, etc. are distinct from the objects themselves. They are internal representations, representations in our minds. — R Power

    We understand the concept of representation from external representations, such as pictures, or verbal descriptions. For these representations we can have direct experience of both a representer (e.g. portrait painting) and a representee (e.g. the person painted). Call these the medium and the content. Thus for the Mona Lisa, the medium is a painting that hangs in the Louvre; the content is an Italian woman who modelled for the artist centuries ago. Medium and content may have attributes in common, if the representation is iconic (as they say in Semiotics). Oval partly-brown patches in the painting resemble the oval brown eyes of the Italian lady. But usually medium and content are of different stuff: oil on canvas, in the case of the Mona Lisa, as against human flesh. And in many cases the representation is symbolic, so that medium and content share no features. — R Power

    This all seems a bit contradictory. If our minds are only content and not a medium as well, then that is saying that naive realism is the case, but then why bring in "representations"? How can they be "representations" if we access the content and not the medium?

    It seems to me that our minds contain both the content and medium and the illusion comes when we confuse the two. Apples are not red. Redness is the medium for the content of ripeness. Redness is the mental representation of ripeness in an apple. When we say that the apple is red, we are confusing the medium with the content. Apples are not red. They are ripe. "The apple is ripe" is a statement that refers to the content and not the medium. Referring to the redness of the apple as a mental property, not an apple property. Not only that, but our use of language is the medium that refers to the content (the qualia) of our minds. We use the word, or sound, "red" to refer to the color that isn't a word or sound, and isn't the property of anything external to the mind.

    Just as most, if not all, effects are also causes, and effects are not their causes but are the medium with which we access the causes, so to is redness both a medium and content - an effect of our minds interaction with the world and a cause of our use of language.
  • Illusionism undermines Epistemology
    There are no qualia, instead there is something akin to the idea of "virtual glue" that performs the functional and informational roles that qualia is supposed to be playing.Marchesk
    So there are no "qualia", there is only "virtual glue". Forgive me if I dont see an improvement, or anything different than someone saying, "There is no God, only Allah".

    Im not interested in the terms because they are arbitrary when it comes the fringes of our understanding. I want to know why the mind models other minds as grey-colored "qualia"/"virtual glue". How do we even know that we have brains if not the way our minds model other minds? It seems that Dennet is a naive realist that then contradicts himself by saying that grey-colored "qualia" doesnt exist. Its "virtual glue" - as if that is some sort of improvement over our understanding of "qualia".
  • Nussbaum
    Yeah. The paradox is in valuing a world without values, of preferring a world without preferences.Banno

    Here's an odd thing: The introduction of the word, "paradox" freezes ethics.

    Here's an interesting thing: It's not a paradox when you understand that the world doesn't have goals and you do - that there is no such thing as an objective morality.
  • Nussbaum
    Here's an odd thing: the introduction of the words objective and subjective freezes ethics.

    So, don't.
    Banno

    Your replies are an odd thing. So don't.
  • Are objectivity and truth the same?
    Objectivity is a distinctively human trait, as only human beings have the capacity for objectivity. It involves the ability to shift perspective, and no one has ever attributed this to animals. Objectivity requires us to stand back from our perceptions, our beliefs and opinions, to reflect on them, and subject them to a particular kind of scrutiny and judgement. Above all, it requires a degree of indifference in judging that may conflict with our needs and desiresMatias
    Think of subjective statements as value statements and objective statements as non-value statements. Subjective statements contain terms like, "good", "bad", "best", "worst", "right", "wrong", etc., while objective statements lack these terms. Subjective statements are basically a shortcut, or misuse, of language that projects one's preferences on objects - as if the noun in the statement possessed the quality that the subjective terms refer to rather than referring to the user's own preferences.

    Truth and objectivity are not the same thing. One can arrive at true theories in a non-objective way.Matias
    Can you give an example?

    Conversely, objective theories are not necessarily true. The history of science provides plenty of examples of the objective formulation and defence of theories that have turned out to be false and have been replaced by other theories. Objectivity is no guarantee of truth, any more than truth can only be the outcome of objectivity.Matias
    This is the problem of knowledge, not anything to do with objectivity vs. subjectivity.

    The problem with thinking of objectivity exclusively in general terms, as elimination of prejudice or bias, is that it encourages an absolutist view of objectivity. The prime example of such an absolutist conception is the view from nowhere.

    There are two problems with this conception. First, the idea that we are being guided towards *the* truth is wholly misleading.
    Matias
    What are we to make of this statement and all of your other statements, then? Are you making a truth claim here - that the idea that we are being guided towards the truth is wholly misleading? Are you misleading us with your statements, or are you trying to refer to some real state-of-affairs that is true from an alternate perspective - like one outside of everyone's minds (a view from nowhere) and looking at all minds objectively as if they all had the same property of being misled towards the truth?

    Wouldn't it make more sense and be more accurate to say "We can only arrive at the truth after making all possible mistakes."?

    What we are being guided towards are the best answers to the questions that we pose.Matias
    What is the difference between the "best answers" and the "truth"?
  • Illusionism undermines Epistemology
    They are all eventually solved by science,Harry Hindu
    You're a time traveller?Marchesk
    No. My statement is based upon the fact that science has a better track record at solving difficult problems than any other method of investigating reality.

    So philosophy should just be science? But philosophy asks broader questions and questions that science doesn't know how to address. Some questions like how to live are not scientific questions.Marchesk
    You seem to think that every philosophical question ever asked is coherent enough for, or worthy of, an explanation at all.

    Has philosophy been able to answer the question about how people should live? If not, and its not something that science can answer then maybe it's an invalid question in the first place.

    My guess would be those structures that handle sensory data and integrate them into a perception in addition to the ones for memory, imagination, dreams, thoughts and any kind of experience. There's likely a lot of overlap there.Marchesk
    Then maybe the entire brain and the rest of the nervous system works together to create the first person experience - which supplies that extended feeling of being in a body with tactile sensations extending from the head where the brain is. In a sense, your mind is what it is like to be your nervous system.

    If indirect realism is the case then the brains that we experience may not actually be what is out there. The brains that we experience could possibly be models of the mental processes that you claim science can't get at. Brains are how our minds model other minds. It is brains and neurons that science studies - which is the mental model of other minds.
  • Illusionism undermines Epistemology
    Because we don't brain structures for sonar perception.Marchesk
    What is the brain structure for first person experience to say that both the human and bat have it?
  • Illusionism undermines Epistemology
    If science can solve such questions, sure. Until then, they remain philosophical.Marchesk
    They're just questions to me. It doesn't matter whether they are philosophical or not. They are all eventually solved by science, and philosophy should keep up with science in order to stay valid. In other words, they both one and the same and should be working together, not separately.

    I try to avoid qualia because it has controversial properties, and will be used by critics to dismiss the argument.Marchesk
    What is controversial about "qualia" but not about "color"?

    That it's subjectiveMarchesk
    Well, this is a philosophy discussion, as people like to point out, so discuss how it is useful to you.

    Here are some articles that explains how bat brains are similar to human brains:
    https://phys.org/news/2018-02-human-brain.html

    http://www.brainblogger.com/2018/08/23/echolocation-in-humans-and-other-animals-is-it-as-good-as-vision/

    It seems to me that science is already trying to tackle this problem but the "I'm a philosopher, not a scientist" group are ignorant of this, hence the absence of the science in this discussion (until now). All knowledge must be integrated.
  • Illusionism undermines Epistemology
    Useful? Purpose?

    This is a philosophical discussion about the nature of conscious experience. It's not about whether being able to know sonar experiences would be useful.
    Marchesk
    Then the purpose is to understand the nature of conscious experience. Unfortunately philosophy doesn't have a very good track record when it comes to solving difficult problems. That is the domain of science. Philosophers can keep asking questions until we are blue in the face, but we have to wait for science to catch up to the questions philosophy asks, or at least determines that they are incoherent questions.

    But what the bat experiences something else that isnt color or sound when using sonar?
    — Harry Hindu

    That's the point.
    Marchesk
    Exactly. That's why we should be using the term, "qualia" since we don't know that the bat has experiences of color or sound.


    What's it feel like to have 8 tentacles with suckers?Marchesk
    I really don't see how questions like this help us get at the nature of conscious experience.
  • Illusionism undermines Epistemology
    Because we don't brain structures for sonar perception.Marchesk
    Doesn't the theory of evolution by natural selection show us that are brain structures evolved from previous brain structures like the kind that the bat has?
  • Illusionism undermines Epistemology
    Qualia is first person, but I prefer to talk in terms of color, sound, etc.Marchesk

    But what if the bat experiences something else that isnt color or sound when using sonar?

    It seems to me that you are being inconsistent in your assumptions. You already assumed that the bat has first person experiences and experiences colors and sounds, but then you want to question whether the bat experience is the world similarly to humans?
  • Illusionism undermines Epistemology
    If comparing the similarities between animal brains and human brains and their structures is an indication that these brains share the qualities of subjectivity then why would we not also assume that these same brains experience subjectivity the same way with the same qualia? Why would similar brain structuring mean it provides a first-person experience but with different qualia?
  • Illusionism undermines Epistemology
    Qualia is first person, but I prefer to talk in terms of color, sound, etc.Marchesk
    Then it is already implied that the bat has first person experiences so that you can then go about wondering what it is like to have sonar.

    We don’t have a description for sonar experiences, nor do we have a way of gaining them from science. That’s Nagels point.Marchesk
    How would it be useful to have a description for sonar experiences? What purpose would the description serve?

    Do you think bats are capable of intentional deception where they can fool others about the contents of their first person experiences with their behavior? If their behavior is all instinctive and it seems to me that their behavior is a direct indication of there first person experience. It would be more useful to know what they know not what form their knowledge takes.
  • Illusionism undermines Epistemology
    No, not unless panpsychism is true. The things we can't perceive that we learn about through science are described in objective terms.Marchesk

    It seems to me that even if panpsychism were true, we would still be describing how the world is in objective terms - just different objective terms.

    He's asking what the experience of using sonar is. Is it accompanied with something like color or sound? The reason for choosing a bat is because it has a sensory modality we lack. It's akin to being born blind and then learning that other people see color, whatever that means for a person blind from birth.Marchesk
    Then the question Nagel is asking is more concerened about whether or not different senses produce different qualia, not whether or not there is a 1st person perspective of qualia?
  • Illusionism undermines Epistemology
    The thing is we know that we experience.Janus

    Ok, but what does it mean to experience? Can you be something (in the way Nagel is asking what is like to be something) without experiences? Can you be something that has no subjectivity? It seems to me that in order to be something in any case is that you exist in an objective way that others can talk about if they had the right information, or made the right inferences based on the information that they have.

    Does Nagel believe that what it is like to be a bat exhausts everything it is to be a bat including the non-neurological parts of the body that include the stomach, intestines, blood and feces? If not, then he's really not asking what it's like to be a bat. He's asking what it's like to be a specific part of the bat, no?

    The difference is that those atoms aren't part of a material system that amounts to mental phenomena.Terrapin Station
    You said mental things are done by the brain. What if the atoms we were referring to make up the neurons in your brain? Isnt electricity a necessary component for the brain to do mental things?
  • Illusionism undermines Epistemology
    As I said in the answer above; it seems we have al least some motivation to ask the question of bats, since there is every indication that they are percipient beings, as we find ourselves to be. There is little motivation to ask the question of toasters since we have zero reason to believe they are percipient. Same goes for computers.Janus
    Yes, but what about computer robots that process information from sensory systems (detecting level of pressure on their surface when touching objects, the information in the light and vibrating air molecules, and chemicals in the air) for the purpose of navigating its environment and finding sources of energy to replenish its finite supply? It's nervous system would consist of the necessary wiring for the transmission of electrical signals between the sensory devices and the computer brain. Would this entity possess a "what it is like"?

    Again, I am unclear what Nagel is really asking. It seems to me that anything that exists would possess a what it is like to be that thing. It exists an amalgam of the characteristics that define what it is. Apples have the properties of ripeness and fructose levels. These are part of what it is to be an apple. I am not an apple so I cannot experience what it is to be an apple. Is this what Nagel is asking, or is there something more that Nagel is implying to being something? Maybe it's more of a question of whether or not an apple, computer or bat has experiences? What is an experience?
  • Illusionism undermines Epistemology
    He's asking what the subjective experience of a bat is like; which obviously cannot be answered since we are not bats. But really the question is "is it like anything to be a bat?". Of course, we know what the question means, but I never liked the "what's it like" part, because being a bat cannot be like anything but being a bat, if it is like anything at all. Perhaps the question should be simpler, perhaps "is there any subjective 'feel' to being a bat?". Of course the answer is that we don't and cannot know; we can only guess.Janus
    What makes us think that there is a what it is like for a bat, but not ask the same question of a computer robot with sensory systems?
  • Illusionism undermines Epistemology
    Because you can't experience my imagination, dreams, inner dialog and have to settle for language and behavior to know about them. And if I don't tell you, there will be experiences I have you won't ever know about, nor will you have any means of finding out, because they can't always be inferred from behavior.Marchesk
    Like I said, we don't experience atoms and we use them as explanations for what we do see. We can't see anything smaller than a wavelength of EM energy. So there are things that we don't experience in the world that aren't just imaginings and dreams. Would those things that we don't experience thanks to the limitations of our sensory organs be considered subjective, too? In other words, are you saying that the information that is missing from our experience of the world is subjective and everything else is objective?

    It's not like we can hook someone's brain up to a machine and have it read out their thoughts or display their dreams on a tv.Marchesk
    Not yet. But we can hook someone's brain to a computer and have it interpret their intentions and move a mouse cursor on the screen and click on letters to type words. Google "Brain-Computer interfaces".

    This why Nagel asked what it's like to be a bat and used that as an example of how there is a gap between objective explanation and subjective experience.Marchesk
    I don't understand Nagel's question. Is he asking what it is to be the whole bat, or just it's brain, or what?
  • Nussbaum
    Such an understanding of ethics is at odds with the prevailing schools of thought - deontology and consequentialism. Nussbaum's views are not original, but are worth being heard given what for many are the default positions, deontology and consequentialism, that frame moral and ethical issues.Fooloso4
    And both positions have their criticisms and faults precisely because they fail to acknowledge the reality of morality - that there is no such thing as an objective morality and why there are ethical dilemmas. What it ultimately boils down to is that we all find ourselves as social beings sharing a world with others that have goals that we are trying to pursue both as individuals and as groups, and that sometimes those goals come into conflict.

    When using ethical theories, I find it useful to apply them to alien species and see if it would apply to them. Is it ethical for an alien species to eradicate the smaller human population of Earth in order to save their larger population from their deteriorating planet (consequentialism)? Would it be ethical if they exterminated us without any awareness or pain on our part (deontology)? As a human, you'd be appalled at such a thing, but is what those ethical theories propose is ethical to do. What if aliens don't recognize us as having the right to exist? Do we hold the same ethical standards for other species - why or why not?
  • Illusionism undermines Epistemology
    And how does this work with imagination, dreams, inner dialog? Subjective experience isn't exclusive to perception.Marchesk
    I dont see how such things can be labeled as subjective. How are your imaginings, dreams and inner dialog subjective if I can refer to them with language and use them as explanations for your behavior that I percieve? How is that any different than talking about atoms as an explanation for the behavior of matter that I perceive? Your imaginings, dreams and inner dialog have as much causal power as a boulder rolling down a hill towards your car an can be talked about like we can talk about any natural process.

    They would only be subjective if you interpreted your imaginings, dreams and inner dialog as being the world, or being in the world rather than in your mind. In other words these things as hallucinations and delusions would be subjective, but could still be talked about as hallucinations and delusions by those that see them for what they are.
  • Nussbaum
    The capabilities approach locks us in to considering our own feelings and those of others in a way that I find appealing. If one is not taking others into account one is not acting ethically. Flourishing at the expense of others is not acting ethically. Acting ethically is maintaining human dignity, and hence a life worthy of that dignity.Banno
    This certainly isnt anywhere near being original or mind-blowing. People who understand other peoples intentions and their own and who find intelligent ways if navigating between the two are considered moral or ethical. Ethics is about having goals and finding ways to ensure a good compromise between different or conflicting goals. Ethical dilemmas arise as a result of seeing everyone as equals and therefore having equal rights to achieving their goals. If others didnt have goals or equal rights in achieving them, we wouldnt need ethics.
  • Illusionism undermines Epistemology
    Dennett, like Chalmers, Searle, etc. thinks that consciousness can't be fit into a physicalist explanation of the world. But unlike them, he takes the position that this means consciousness must be an illusion, because why would consciousness be the one thing that's an exception in the universe?Marchesk
    So, they think that consciousness is actually physical and the illusion is that it is not? What does it mean to be physical vs non-physical? Once you go down this road you acquire not just another hard problem, but a "serious problem" with having to explain how the physical and non-physical interact. Dualism is the problem and monism is the answer. Also discarding these incoherent terms of "physical" and "non-physical" would also be useful. Everything is information which is why there is an aboutness to your mind - of being about the world. Your mind is an effect (as well as a cause hence the need for explanation about how the mind and world interact) and effects are about their causes. This is why we can get informed about the ripeness of the apple and about your visual system and about the light in the environment just by the color on the apple that you see.


    I've read and heard enough of Dennett to be convinced that he thinks there is no consciousness and we are philosophical zombies. Except that he likes to keep using the word with a different definition. Which would be consciousness in the functional or behavioral sense only, because those can be fit into a materialist explanation.Marchesk
    After reading and hearing enough Dennett, I can't say that he even knows what he's talking about.

    In this article Dennett replies to a question about whether or not he was angry with "greedy reductionism"...
    https://www.theguardian.com/science/blog/2013/mar/22/daniel-dennett-theory-of-mind-interview
    I haven't been angered but I have been frustrated by some neuroscientists who say we do not have free will and in some cases this position has implications in law and morality. They argue your mind is your brain, the brain is programmed, so there's no free will. I think science needs to be more circumspect and more creative. An economist might say, dollars don't exist, it's just a collective illusion, I think this is very bad advice and I also think it is bad, greedy reductionist advice to say free will is an illusion. — D. Dennett
    If consciousness is an illusion, then how is free will not?


    Another question and answer:
    CJ How important is self-reflection to consciousness?

    DD Very.
    — The Guardian.com

    What is self-reflection to Dennett if consciousness is an illusion?



    If it is a mistake, nobody has succeeded in showing how you can explain the subjective in terms of the objective, which is what the hard problem is about. See Nagel.Marchesk
    That isn't a problem at all. We speak objectively all the time - about the world, about our minds, about our preferences. Subjective language is just category errors where we project mental phenomenon onto non-mental phenomenon - like as if the apple were really red. The apple is ripe or rotten, not red or black. Ripeness is a property of fruit, not minds. Redness is a property of minds, not light or apples. Red and black are mental properties, or effects, that are about the ripeness of the apple, the light in the environment and the state of your visual system thanks to causation. Effects carry information about their causes. Illusions (or subjectivity) crop up when our minds don't interpret the causes correctly.
  • Illusionism undermines Epistemology

    Dennet's next metaphor: If our brain is a smartphone, then consciousness is the screen. In other words, consciousness is not how our brain works, it's only how we interface with it. — curiosity.com

    What is the "we" that interfaces with our brains? If the interface is real, then how is it an illusion? How does this interface differ from what "we" are and what our brains are? Where is this interface in relation to the we and the brain?

    We only know about brains because of our experience of them. So how does Dennett explain how he knows he has a brain that he interfaces with? The "fact" that he has a brain would be part of the illusion.
  • Illusionism undermines Epistemology
    Dennett and Frankish use the metaphor of a magic show with slight of hand being used to fool our brains.Marchesk
    A sleight of hand is a kind of distraction, not really an illusion. The magician distracts your attention while they do something else where you arent looking. Why and how would the brain distract itself just so it could do something else?

    It is also refuting "I think therefore I am", and I thought that any doubting of that includes thinking and thinking takes the form if our sensory impressions. Its nonsensical.
  • Illusionism undermines Epistemology
    Consciousness is compared to a magic show, where the brain fools us using some slight of cognition we're not aware of.Marchesk
    What does it mean for our brain to fool "us"? Are we not our brain along with the rest of our body? Why would the brain want to fool itself? It seems like an awful lot of energy put into the brain just fooling itself.

    The goal is to dissolve the hard problem without just handwaving it away or giving into some form of dualism.Marchesk
    It seems to me that the hard problem is the result of dualism - not the other way around.
    When I perceive an apple, I'm not just aware of the apple's color or its taste, I'm also aware of it's shape and weight. Some qualities of human experience are the basis for science. But if color and taste are illusions, what reason would we have for supposing that shape and weight are not?Marchesk
    The sensation of shape and weight are not the shape and weight of the apple, just as the redness and taste are not the ripeness of the apple. They are all effects of the body's interaction with the apple and the light reflecting off of it. Redness is about the ripeness of the apple and the reflected light and your visual system. Any difference in any of those three causes leads to a different effect. Shut the lights off and the apple is black, not red, even though it's ripeness has not changed.

    So some sensory impression isn't just about the object itself. It is about our body's state of awareness, which sensory system is providing the information (visual, auditory, tactile, gustatory, etc.) and it's state, and the medium in which the information travels to reach our senses, like the light and air around us. This is how illusions occur - by thinking that the experience is about the object itself, when it isn't. A bent straw in water isn't about the straw, it is about the light. We see light, not objects, and shape and color are visual sensations that come from the information in the reflected light in the environment. When we understand that we see light and not objects, then mirages and bent straws in water are what you would expect to see. The "illusion" becomes a natural effect just like every other phenomenon in nature. Consciousness also has causal power. Ideas shape the world, and where are those ideas formed if not in consciousness?
  • The moralistic and the naturalistic fallacy
    Preferences are brain states. Mental phenomena are identical to particular brain states.

    Brain states/mental phenomena are not identical to genetics and environmental factors, though those things are important factors in why brains develop as they do.
    Terrapin Station
    So preferences are not identical to genetic and environmental phenomena, which is to say preferences are based on something that arent preferences. Another way we could say it and it mean the same thing is that preferences depend on genetic and environmental phenomena.
  • The moralistic and the naturalistic fallacy
    That would only be the case if you're defining "based on" as being about contributing factors that aren't identical to what we're talking about. But of course, one wouldn't have to use "based on" that way.Terrapin Station
    Then what are you saying - that preferences are brain states, which are also genetic and environmental phenomena? I thought they were mental phenomena. How do you distinguish between genetic and environmental phenomena and brain states, or is it all the same to you? Is a preference an interaction between genetics and environment? Is that what a brain state is - an interaction between genetic and environmental phenomena?

    Factors are not identical to the product. Causes are not identical to the effect.
  • Did I know it was a picture of him?
    For my part, I think we are wrong to think of a distinction between knowing that and knowing how. It seems to me that all examples of knowing that reduce to examples of knowing how.

    So knowing that 2+2=4 reduces to knowing how to do addition. Knowing that Canberra is the capital of Australia reduces to knowing how to use maps and political notions. Knowing that this is a photo of N. reduces to knowing how to address N, identify him in a group, ask him about his wife and so on.
    Banno
    Knowing how to do something is more like applied knowledge. One might know the steps but never performed the steps and gets better with experience. In this case, knowledge comes in the form of degrees of behavioral effeciency. One can know how to add larger numbers faster, or tie their shoes more efficiently, because of experience.

    Most people keep using terms like "recognition" and "familiarity" when defining "knowing". Could it be that they are the same thing and that philosophers have insisted on using this word, "knowledge" as if it were something more which has led to the confusion.

    Thinking about knowledge as a set of rules for interpreting sensory data allows for knowledge to become obsolete and replaced when new experiences show it is necessary.
  • The moralistic and the naturalistic fallacy
    Again the mental is "merely biological." It's a term for a subset of properties of brain function. Brains are biological, obviously. Why anyone has the preferences then due to brain states, which are the way they are via a combo of genetics and environmental factors.Terrapin Station

    Then you were wrong here:
    They're certainly not based on something that's not one's preferences.Terrapin Station

    Then one's preferences are based on something that isn't their preference. They are based on genes and environmental factors.

    We went through this dance before, if you recall, but the special thing about it, which I mentioned above, is that people keep saying confused things about the properties and relationships of mental to non-mental things. It's one of the more popular confusions when approaching anything like philosophical talk.Terrapin Station
    :meh: Uh, yeah. That is exactly what I'm saying that you are doing with your subjective/objective distinction - saying confused (contradictory) things.