• Is there an external material world ?


    Interesting paper. Between you and I get all kinds of nifty stuff to rock my epistemic water vessel, so sincere thanks for it.

    “.....and he did not set out theories of learning....”
    (From the link, under “A Note on the A Priori

    Why would he, when the theory on knowledge he did set out presupposes it? It is either tautologically true, or a useless exercise, to suggest we know things we haven’t the ability to learn. If the former, a theory of learning is unnecessary; if the latter theories of knowledge are all catestrophically irrational.
    ———

    The active state. We move, interact with the world, harvest data, even change the world to fit our models better... and all this is part of the process of inference. Does Kant have an equivalent?Isaac

    Dunno about changing the world to fit our models; seems sorta backwards to me. Be that as it may......

    The active state would be cognition. The process of inference would be the tripartite logical syllogistic functionality between understanding (major), judgement (minor(s)), and reason (conclusion). Now, as you’ve said, albeit in a different way, re: the talking is not the doing, this is how we talk about it, how we represent to ourselves a speculative methodology, but the internal operation in itself, functions under the condition of time alone, such that cognition is possible from that methodology.

    Not sure that’s a very good answer, but best I can do with what I’m given, and considering my scant experience with Markov blankets.

    Takes nothing away from the paper, though, don’t get me wrong.
  • Is there an external material world ?
    “....A Markov blanket comprises a set of states that renders states internal to the blanket conditionally independent of external states....”
    (Friston, et.al., 2020)

    If that which is internal to the blanket is external to that which observes it, the proposition is a mere rework of.....

    “....objects are quite unknown to us in themselves, and what we call outward objects, are nothing else but mere representations of our sensibility, whose form is space, but whose real correlate, the thing in itself, is not known by means of these representations, nor ever can be, but respecting which, in experience, no inquiry is ever made....”

    ...a 1787 treatise on human reason. The conditions are representations, thus “conditionally independent” descriptions of a set of states is nothing more than “not known by means of these”. So it is that behind a Markov blanket resides a ding an sich.

    Is it a far-fetched personal cognitive prejudice, or is it a case of the more things change, the more they stay the same? Dunno, who’s to say? But it’s fun to play with all the same.
  • Is there an external material world ?
    I didn't mean to say nothing was going on.Isaac

    Granted. But you did say neither one nor the other of the two possible explanatory methodologies, was going on, with respect to a single given occasion, that is....what did Issac do with what Mww gave to him.
    ————

    I think that the scientific and the philosophical domains are not so very different from one another, and so the question of which came first is not answerable by declaring 'philosophy!' or 'science!'.Isaac

    If it be agreeable that the domain of philosophy is rational thought in accordance with logical law, and the domain of science is empirical experiment in accordance with natural law, and furthermore that no human ever performed an experiment without first thinking how it should be done in order to facilitate an expected outcome.....we arrive at both a clear chronological succession and a clear methodological distinction.

    The success rate, the productive usefulness of one over the other......well, that’s a different story, innit.
    ————-

    All ideas are culturally embedded narratives. All of them.Isaac

    If that were true, there would never be such a thing as a paradigm shift, whether in science, ethics, metaphysics or anything else. If there ever was that which is sufficient reason to cause the collapse of an antecedent condition, then that thing could not be contained in that which collapsed. No paradigm shift as such, is possible if the idea from whence it originated was already included in an extant cultural narrative.

    Even if the argument is that ideas acting as sufficient reason for a paradigm shift are already culturally embedded narratives, the instantiation of a different relation between any two of them, or between any one of them in relation to experience, is itself a different idea, hence sustains the notion of being not itself already culturally embedded.

    The alleged “hidden state” was once a new idea, despite both “hidden” and “state” being already preconceived and not necessarily related to each other.

    Anyway....you got lots of folks vying for your attention, so I’ll just retreat to the back row, with all the other Group W troublemakers......
  • Is there an external material world ?
    I'd have to say neither.Isaac

    .....yet it appears to me that you responded with logically consistent intelligibility. I have no choice but to seriously admire that response, arising as it apparently does from one human, and directed toward another, constructed from neither consideration of brain machinations nor philosophical predications as a product of them.
    ———-

    Attempts to supplant natural human subjectivity with mechanistic necessity.
    — Mww

    Again, on point, but is any philosophical text less attempting the same thing.
    Isaac

    Less attempting implies a relative quantity. But the mechanistic necessity of neuroscience, as opposed to the logical necessity of philosophical texts, is a relative quality. So, no, the one is not attempting a measure of the other. While it is certain that each form of necessity belongs to its own domain, holding sway only within it, it still remains to be acknowledged which came first.
    —————

    As an aside, your hidden states are an interesting concept. I might find a place for them.
  • Is there an external material world ?
    Is there something specific about my attempts that have failed for you, or just in general?Isaac

    If I may, from the back row, hitherto being a silent witness:

    In general:
    Your theoretics are fine, and more than likely, close to that which is the case. But nobody cares; the average Joe doesn’t consider himself as a thinker in the terms and conditions scientifically expounded as the means for it. That leaves you and the cognitive scientists in general, to say Joe never does think the way he thinks he does, or, which is quite objectionable, he doesn’t think at all, insofar as mere brain machinations are solely responsible for such private, personal, seemings. It follows as a matter of course, that the very brain machinations the cognitive scientist expounds are never even recognized by himself. That is, he promotes, from the perspective of a particular kind of human, that which never occurs to him from the perspective of a human in general.

    Those of the philosophical bent, on the other hand, don’t have such inconsistency, for they don't profit in the consideration of brain machinations qua physical necessity, in the first place, but rather, if anything, merely take whatever that necessity may be, for granted. Which justifies my asking, as super-intelligent and well-versed as you are, are you immediately considering, upon reading this, what part of your brain is doing what, or, are you immediately considering only the relation between your reading and my writing?

    Something specific that fails, for me:

    Attempts to supplant natural human subjectivity with mechanistic necessity. Which reduces to, albeit egotistically....even if your science is in fact the case, I shall never relinquish the metaphysical conditions for my purely rational intellect. And neither should anyone else, dammit!!!!!

    So sayeth a nobody on the internet.....
  • On whether what exists is determinate


    As in Nicomachean Ethics, Bk. VI, or, Prior Analytics.....yes, though maintained pretty much intact through the Enlightenment, now woefully absent as such.

    As if the wonder of human intelligence can be displayed on a ‘scope, traced with a red dye. Or brought forth from a couch at $300/hr.

    (Sigh)
  • Phenomenalism
    It seems to me phenomenalism is unarguably true.Art48

    It would seem to be true, but only in relation to an intrinsically dualistic human cognitive system.

    But whether the basic human cognitive system is in fact intrinsically dualistic, remains questionable.
  • On whether what exists is determinate
    the hallmark of anything that exists is that it is determinate....Wayfarer

    “Anything that exists” is a latent presupposition. Attributing sufficient warrant to this presupposition, “determinate” is a valid inference, insofar as something has already been subsumed under a categorical rule.

    On the other hand, “anything that exists” is a general conception not derived by a particular inference, which implies there is either a different categorical rule, or none at all, under which “anything” may be subsumed.

    For humans, it is impossible to cognize anything not subsumed under a categorical rule. It follows that “anything that exists” cannot be determinate under a definition, but rather, “anything that (possibly) exists” must still be determin-able under a definition.

    there is an ontological distinction.....Wayfarer

    Absolutely. Which calls into question the determinate warrant for “anything that exists”.
    ————-

    whether it is meaningful to speak of what exists in the absence of an observing mind.Wayfarer

    Put a check mark in the not-even-a-chance column for me. Although, if I’m being metaphysically honest, I’d substitute rational intelligence for mind.

    Oh....I like your Pinter stuff.
  • Speculations in Idealism


    Ok, fine. It was quoted verbatim, but before my feet get held even closer to the torturous fire, I must admit the original context is in regard to the schools (that raise a loud cry), whereas my context is the theoretical science community.
  • Speculations in Idealism


    All good.

    It would be counterproductive, I think, to get into the subtleties of Kantian metaphysics. That being said, the aforementioned contradiction resides in the proposition, “...nothing can be said about its objects except that they exist...”, insofar as that “they exist” says something about its objects.

    The confusion arises by calling something an object of pure thought, when, from the perspective of the faculty responsible for it, it is just a thought. Understanding thinks conceptions, understanding thinks noumena, noumena is a conception understanding thinks, and nothing more. It is we that screw it all up by reifying it through conventional language use. Thus it is, that “an object of pure thought” has very different connotations than “that which understanding thinks”, yet we, as careless thinkers, use the same word to represent both.

    Yes, Kant treats noumena differently, in that for him, they are merely not logically impossible, the existence of them being beyond the capacities of our system, or of any rational intelligence similarly predicated on intuitive representations, to cognize.
    ————

    there's a tricky point here, which is that the noumenal 'exists independently of human sense or perception'. But that is rather different from the idea of a thing that exists independently of human sense or perception, is it not?Wayfarer

    The tricky point is existence, of which you hold a different perspective than I. I consider both noumena and ideas as non-existent, hence their existence independent of sense is moot. Noumena and ideas do have the commonality of being conceptions having their origins in understanding alone. Ideas, though, with a sufficient aggregate of empirical knowledge, may eventually have conceptions inferred as belonging under them, whereas noumena can never have that end. Kant shows that, by such as “the idea of space”, “the idea of justice”, the “idea of an ens realissimum”, but not once ever enounces an idea of noumenal object.

    Strokes....folks.

    All good.
  • Speculations in Idealism


    As Kant said about the noumenal world (which is the same as the mind-independent world), nothing can be said about its objects except that they exist.

    Is there any way at all, to reconcile the glaring contradiction in that statement?

    I wanted to bring this up the other day, but thought better of it, cuz it was so obvious to me it made me think I missed something, even while in tune with the rest of the passage. But now that it’s been presented again, as if to reiterate a point, its weight has doubled.

    Forgive the monkey wrench, but, you know......inquiring minds.....
  • Speculations in Idealism
    the Great BurgermeisterJanus

    That got a chuckle outta me, I must say. And you know me.....everything philosophical worth repeating originated in Königsberg.

    .....it seems this is the crux of the issue.....Janus

    Agreed, in principle. Whatever the name of the issue, in the form of various and sundry -ism’s, and thereafter the juxtaposition of any single -ism with its dialectical negation, or, as you say....its polemic..... the crux is always the instigation of it, which is, of course, us. We are the crux, insofar as nothing, other than sheer accident, ever happens to or because of us that isn’t determined by us.

    Which is precisely the exposition given by : “What the observer brings *is* the picture”.

    if we say it is "something" that defies all categorization because it is "beyond" all our categories of judgement and modes of intuition then we would not be saying much, if anything.Janus

    ....just like that.
  • Speculations in Idealism


    Yeah...I said the links were interesting, but I wouldn’t go so far as to say I agree the implications contained in them are all that meaningful.

    “To see the Universe as it really is” means nothing to me. And while I accept the counterintuitive tenets of QM, decoherence never enters my consciousness of grocery lists, road rage or the abysmal foolishness of talking heads. And while it is a mathematical fact toaster ovens will create an interference pattern just as do photons, the scale of the experiment to prove it is currently quite impossible, which reduces to....so what????

    So, yes, “scientific idealism” is emerging, which itself reduces to no more than to, “....raise a loud cry of danger to the public over the destruction of cobwebs, of which the public has never taken any notice, and the loss of which, therefore, it can never feel....”.
  • Speculations in Idealism


    Interesting links; now I understand what you meant by emerging.
  • Speculations in Idealism
    plus reinventing Kant's noumena that we can never know.Count Timothy von Icarus

    As in....reinventing them so they can be known? Then they wouldn’t be Kant’s noumena, then, right? So it isn’t so much reinventing as re-defining. Which is fine; happens all the time. Historical precedent and all that.

    Even so, if “scientific idealism” is a version of “evolutionary epistemology”, I’m no better off then when I started. From this armchair, both look like a subject with a qualifier, that is, idealism as a doctrine grounded by scientific conditions, and, epistemology as a doctrine grounded in human evolution. I find it more productive to ask folks what they mean by these phrases, or, ask how they wish me to understand what they mean.

    Anyway....thanks.
  • Speculations in Idealism
    Well there is such a thing as'scientific idealism'. We're seeing it emerge.Wayfarer

    For my sake....what is scientific idealism? Single sentence kinda thing?
  • Speculations in Idealism


    Not that big’a deal; support for your.....

    Plainly an idealist philosophy in my reckoning.Wayfarer

    ....is all.

    In addition to what you’ve been saying, Hoffman says, “space, time, causality are fictions.....useful fictions”, and the proper idealist against which at least some if not most modern idealists are judged, says, “....the construction of our fictions, which are not the less fictions on that account....”, in speaking of just those notions.
  • Speculations in Idealism


    In the wiki reference, there’s a citation, #9. Did you investigate?

    If not, check out the 40 minute mark, and thereafter.
  • Is there an external material world ?


    Truncate our imaginations. Cool turn of a phrase.
  • Is there an external material world ?
    Any misgivings at all?Janus

    Ehhhh....suffice it to say there are differences in modeling perspectives. One perspective is mere convention....we model a cup because we already know what that thing is; the other perspective is ignorance....we model “something” because we don’t know what that thing is.

    The perspective is, then, experience; the difference is whether or not there is any.

    Ahhhh....but the technicalities. That’s where the fun is, ne c’est pas? When does “something” become cup? Somewhere in that theoretical exposition, will reside the possible misgivings.
  • Is there an external material world ?


    Cool. Nothing there to seriously jeopardize my initial agreement.

    Thanks.
  • Is there an external material world ?


    All I was looking for was your idea of why we can say we are modeling a cup, or from different perspective, we can say we are modeling “something”.
  • Is there an external material world ?
    Now we can say that what has been modeled is the cup, or we can equally, from a different perspective, say that what is being modeled is "something" that results in seeing a cup which is a model of that "something".Janus

    I agree. Do you have an idea of what that different perspective might be?
  • Is there an external material world ?


    Nope, but then, no need to floss, so.....
  • Is there an external material world ?
    Would he just admit that he hadn't thought of the ways science has uncovered his noumena?Banno

    No he wouldn’t, because science hasn’t, nor will any science done by humans, ever have the means for it.

    Nahhhh.....crotchety ol’ Prussian would more likely be pissed at being intellectually bushwhacked.

    Tasty bait. Thanks.
  • Is there an external material world ?
    I'm not a philosopherTom Storm

    Cool. Neither am I.

    is this a critique of phenomenology?Tom Storm

    No, just a restriction on the concept of phenomena itself. A limitation on their function, if you will. Which reduces to mere opinion on my part, of course.
  • Is there an external material world ?


    Sorta like that, I guess. I only brought up myself, or any self of like kind, because to treat these as both subject and object, is demonstrably impossible.
  • Is there an external material world ?


    Philosophy can’t be said to go wrong, but to answer the question......by Brentano, 1874,1889, turning it into a psychological doctrine describing different kinds of phenomena as intentionally directed toward consciousness, rather than being the merely empirical content of it. This expands phenomena into any form of content for consciousness, instead of representations of sensibility alone. In turn, objects of judgement, imagination, volition, and so on, including cognition and even (gasp) experience itself, then assume the guise of phenomena, at the expense of the notion of sensory “appearance” from which the term originated.
  • Is there an external material world ?


    Yes. The phenomenological argument.

    Not where I’m coming from, but ok.
  • Is there an external material world ?


    Perhaps the most difficult exposition to fathom in transcendental metaphysics,....a speculative idealism if there ever was one.....is how I, as thinking subject, can at the same time be the object I think about.
  • Fitch's "paradox" of knowability


    As one of the ol’ muppet dudes on the balcony says to the other.....BRILLIANT!!!

    Or.....how to take the pristine condition of human reason, and turn it against itself.
  • Is there an external material world ?


    ‘Tis a lonely journey, methinks.

    It’s like....why even think of owning a Model T when there is an e-Ferrari. Doesn’t matter you can’t afford to buy one, couldn’t maintain it, can’t fit the family in it, and you’re afraid to take it out on bumpy roads and rainy days......
  • Is there an external material world ?
    “.....Instead what answer we get depends on the question we put...”
    (Physicist, 1983)

    “...approach nature with the view, indeed, of receiving information from it, not, however, in the character of a pupil, who listens to all that his master chooses to tell him, but in that of a judge, who compels the witnesses to reply to those questions which he himself thinks fit to propose....”
    (Philosopher, 1787)

    The more things change, the more they stay the same, for both genius and clown.
  • Is there an external material world ?
    I'm assuming when I see and handle an apple, my perceptual apparatus provides matter (the apple) with all its qualities - colour, size and shape, smell, texture, even taste. This is all an elaborate construction work that humans seem to (largely) share. A bat would have a different range of experiences with this fruit, but it would still be of the apple, right? (....) Where have I gone wrong?Tom Storm

    I detest the taste of Lima beans, and if you like the taste....how can the exact same matter have one quality for me and a completely different quality for you?

    When you see and handle the matter provided by your perceptual apparatus, and I see and handle the matter provided by my perceptual apparatus.....why should, and what determines whether or not, we agree about what’s been provided to us?

    If matter with all its qualities is provided by perceptual apparatus......why should anything need to be constructed?

    How did “matter”, a general term, get to “apple”, a particular term? By what rights do matter and (the apple) belong together as stated in the assertion of that which perceptual apparatus provides?

    So if the construction work humans share is how matter gets to “apple”, then it must be the case the qualities of the matter are not contained in it, but are provided by the construction. Otherwise, there would be no justification for the change from the general to the particular, and the questions above obtain only insufficient answers.
    ————-

    To say a bat has different experiences, then to ask if it would still experience “apple”, is a categorical error of relations. Given different experiences, that which is given from one kind of experience is necessarily incompatible with any other kind, which makes explicit the bat cannot experience “apple”. We know this to be apodeitically certain because it is absolutely impossible for us to echo-locate flying bugs. All that can be supposed is that the bat experiences, and that only insofar as bats are known to have integrated sensory systems, and it is at least a non-contradictory presupposition that any sensory system is sufficient ground for experiences compatible with it. And THAT....only insofar as humans have determined it to be so, in relation to themselves, in the resolution of the error.

    Matter has only been “apple” since some human said so, which makes explicit the perceptual apparatus does not provide matter (the apple), but provides matter alone, the common human construction, whether brain machinations or speculative metaphysics, is that which determines that matter to be apple. Apple, then, is provided post hoc by common human constructions, or, that which we all know as.......waaaiiiitttt fooor ittttt......experience.

    I submit that you’ve conjoined matter (the apple) as a given singular only because you already know what an apple is, you’ve met with that experience. But there was a time when you didn’t, you haven’t, so.....what happened?

    You haven’t gone wrong. Just haven’t gone far enough.
  • Is there an external material world ?


    Yeah, I feel ya, bud. But then, ol’ Freddie didn’t like anybody except maybe his sister, so one more rip on his peers doesn’t mean a whole lot.

    A change went through German intelligentsia, true enough, but whether for the better or not remained questionable at the time, given from the simple fact no one understood the implications of it well enough. The “old habits die hard” kinda thing.

    Note as well, that theology was dying around the French Revolution, but wasn’t as dead as it became in N’s time, close to a century later. The “theological instinct” of Germans in general, in Kant’s time, was alive, even if on it’s last legs, and it remains highly doubtful Kant intended German scholars to apprehend a revival of it within the confines of his critical metaphysics.

    I found it quite odd, that N advocated the will to power as determinable by the proverbial ubermensch.....he who frees himself from the absolute restrictions of the world, “...acquired self-mastery....”, yet accuses Kant of an illegitimate method by which he might actually do it. Not to mention, self-mastery in himself over the world presupposes the very “hateful duality” he accuses Kant of bringing to the fore.

    Kant thought he provided humanity with a complete and unalterable metaphysics, but humans, being all too human, will inevitably find something wrong with just about anything.

    Besides....while it is the more parsimonious supposition that brain states are our thoughts, it remains incontestable that we do not think in terms of brain states. That is to say, that which we consider as our thoughts, in and of themselves, even if they are not, have no purely cognitive connection whatsoever with the lawful physical necessities which make them possible.

    Good to see you mulling. Shows interest, which is usually a good thing.
  • Consciousness and I
    As the brain-body ages and I or the ego develops, mentality, feelings and body activity belong to I or the ego.val p miranda

    ......straight out of the Enlightenment transcendental idealist playbook.....Mww

    Do you have a different view?val p miranda

    Nope. Pretty much my own personal philosophy as well.
  • Is there an external material world ?
    might shed light on noumena.Tom Storm

    Ehhhh....when all is said and done, noumena are best left unlit. They’re an intellectual anomaly, confusing more than enlightening. To classify something as merely not impossible doesn’t help with what we want to know.
    —————

    But the point about the Aristotelian-Platonist attitude is that complete knowledge is only possible for intelligible objects, because in knowing them, there is in some sense a unity with them, which is plainly impractical with the objects of sense,Wayfarer

    Well said, and I grant Kant appropriated the meaning of the ancients to suit himself, but with respect to your point here, Kant had already speculated that “complete knowledge” of anything is not even a cognition, but instead, is a feeling, an aesthetic as opposed to a discursive judgement, hence, the separation of reason into its pure theoretical and pure practical domains. Pure practical reason is entirely deductive, thus self-sustaining and necessarily true, insofar as we ourselves are the complete source of its objects......how can we NOT know exactly what we have determined by ourselves alone, which is exactly what “unity with them” indicates......as opposed to speculative reason with respect to the world, which is always contingent because our knowledge depends entirely on that which the world gives us, which can be stated as “unity of them”.

    Kant....er....upgraded....a lot of the philosophies of the ancients, but noticeably left logic as it had always been. And ya know....while accused by Schopenhaur of changing the meaning of established conceptions......

    “....For this reason, when it happens that there exists only a single word to express a certain conception, and this word, in its usual acceptation, is thoroughly adequate to the conception, the accurate distinction of which from related conceptions is of great importance, we ought not to employ the expression improvidently, or, for the sake of variety and elegance of style, use it as a synonym for other cognate words. It is our duty, on the contrary, carefully to preserve its peculiar signification, as otherwise it easily happens that when the attention of the reader is no longer particularly attracted to the expression, and it is lost amid the multitude of other words of very different import, the thought which it conveyed, and which it alone conveyed, is lost with it...”

    .....he apparently didn’t think he did any such thing. It remains, in the text, that he called noumena mundus intelligibilis, so...just how far did he actually go in changing the meaning of the concept?
  • Is there an external material world ?
    what your point isTom Storm

    My point was I found specific references which tend to counterpoint the Schopenhaur quote. But then, I couldn’t find the quote, so context is missing, so...there is that.

    Sorry, and no slight on your comprehension abilities, but it’s always best to go to the source, rather than ask somebody who has only his own understandings to go by. Even when questioned and references are included with the responses, best to check the references, so.....why not just start with them.
  • Is there an external material world ?
    The difference between abstract and intuitive cognition, which Kant entirely overlooks.....

    “....If, by the term noumenon, we understand a thing so far as it is not an object of our sensuous intuition, thus making abstraction of our mode of intuiting it, this is a noumenon in the negative sense of the word. But if we understand by it an object of a non-sensuous intuition, we in this case assume a peculiar mode of intuition, an intellectual intuition, to wit, which does not, however, belong to us, of the very possibility of which we have no notion—and this is a noumenon in the positive sense....

    .....To be sure, understanding and reason are employed in the cognition of phenomena; but the question is, whether these can be applied when the object is not a phenomenon and in this sense we regard it as if it is cogitated as given to the understanding alone, and not to the senses. The question therefore is whether, over and above the empirical use of the understanding**, a transcendental use is possible***, which applies to the noumenon as an object. This question we have answered in the negative....”
    (**....from which an intuitive cognition follows)
    (***....from which an abstract cognition follows)

    Nahhhh....Kant didn’t entirely overlook the difference, but rather, stated what it is. Arthur couldn’t abide with it, because he needed his notion of will to fill the unknowable void of the ding an sich, which he couldn’t do if there is a thing impossible for a human to know.
    ————-

    But Kant, who completely and irresponsibly neglected the issue for which the terms φαινομένα and νοούμενα were already in use, then took possession of the terms as if they were stray and ownerless, and used them as designations of things in themselves and their appearances.

    “....When therefore we say, the senses represent objects as they appear, the understanding as they are, the latter statement must not be understood in a transcendental, but only in an empirical signification, that is, as they must be represented in the complete connection of phenomena, and not according to what they may be, apart from their relation to possible experience, consequently not as objects of the pure understanding. For this must ever remain unknown to us. Nay, it is also quite unknown to us whether any such transcendental or extraordinary cognition is possible under any circumstances, at least, whether it is possible by means of our categories....”

    Kant never intended noumena to represent things-in-themselves, which are real external objects, but merely as objects understanding illegitimately thinks on its own accord. The only connect between them, is the fact they are both unknowable, the first because we only can know the representations of things as phenomena, the second because the categories have no application except to phenomena which objects thought by understanding alone can never be.

    Arthur didn’t like that we cannot know a thing, that there is that which is impossible for human knowledge. All he did, was create a philosophy under which the incontestably knowable....the human will.... substitutes for Kant’s incontestably unknowable, the ding an sich, and PRESTO!!! That which is impossible to know disappears. (Sigh)

    Still, it is all Kant’s fault, this metaphysical ambiguity, insofar as he stipulates both that the understanding is the faculty of thought, and, we can think anything we want. It follows that understanding can think anything it wants, including its own objects. But this is met with an immediate contradiction, in that the categories are necessary for the cognition of objects and cannot apply to anything not given by sensibility. Objects of understanding...noumena....are not given from sensibility, hence the categories cannot be applied to them, hence they cannot be cognizable as experiences. Whether or not there are any such things as noumena is not claimed as impossible, but nonetheless entirely irrelevant with respect to the human cognitive system as Kant proposes it.

    Worth noting, and oft-overlooked, is the fact Kant authorizes the conception of noumena, but never....not once....ever gives an example of an object that represents that conception. (1).

    Why, you ask.....and I know you did. Kantian duality writ large: because there is in the faculties of sensibility an unknowable, and because sensibility and logic are mutually inclusive, there must be that which is unknowable arising from the faculty of logic itself. Otherwise there resides an irreconcilable inconsistency in his speculative methodology. Hence, Schopenhaur’s attempt to eliminate both Kantian unknowables.

    And now it is clear why Kant says we can think whatever we want.....provided only that we don’t contradict ourselves.
    ———-

    To put a period on it, ending the nonsense regarding impossible empirical knowledge.....

    “....The critique of the pure understanding, accordingly, does not permit us to create for ourselves a new field of objects beyond those which are presented to us as phenomena, and to stray into intelligible worlds; nay, it does not even allow us to endeavour to form so much as a conception of them (1). The specious error which leads to this—and which is a perfectly excusable one—lies in the fact that the employment of the understanding, contrary to its proper purpose and destination, is made transcendental, and objects, that is, possible intuitions, are made to regulate themselves according to conceptions, instead of the conceptions arranging themselves according to the intuitions, on which alone their own objective validity rests. Now the reason of this again is that apperception, and with it thought, antecedes all possible determinate arrangement of representations. Accordingly we think something in general and determine it on the one hand sensuously, but, on the other, distinguish the general and in abstracto represent objects from this particular mode of intuiting it. In this case there remains a mode of determining the object by mere thought, which is really but a logical form without content, which, however, seems to us to be a mode of the existence of the object in itself (noumenon), without regard to intuition which is limited to our senses....”