The Concept of Mind
by Gilbert Ryle
(Oxford 1949)
Part C: What? No instant karma?
A Whitehead light experience
Three decades later, Russell, like Whitehead, still speaks of reality as being composed of events, as opposed to the spatial points and temporal instants of standard physics. Also like Whitehead, Russell relates events to perception.
Three key ideas, he says, summarize his stance:
The first is that the entities that occur in mathematical physics are not part of the stuff of the world, but are constructions composed of events and taken as units for the convenience of the mathematician. The second is that the whole of what we perceive without inference belongs to our private world. In this respect, I agree with Berkeley. The starry heaven that we know in visual sensation is inside us. The external starry heaven that we believe in is inferred. The third point is that the causal lines that enable us to be aware of a diversity of objects, though there are some lines everywhere, are apt to peter out like rivers in the sand. That is why we do not at all times perceive everything. [zzz14]
In that 1959 book, Russell outlines "the theory which is called 'Neutral Monism' – as if he is distancing himself from the term he had used in The Analysis of Matter, while sticking to the theory's essentials. If one discards the "subject" and "consciousness," but only views things functionally, it "becomes possible to regard both a mind and a piece of matter as logical constructions formed out of materials not differing vitally and sometimes actually identical." Russell adds, "It became possible to think that what the physiologist regards as matter in the brain is actually composed of thoughts and feelings, and that the difference between mind and matter is merely one of arrangement."
In another book published in 1959, Russell writes that William James "did not go on to work out the full implications of his theory" against consciousness, "but those who followed his suggestion came to replace the old dualistic theories by a 'neutral monism,' which states that there is only one kind of basic stuff in the world." Russell does not draw attention to his own period as a neutral monist.[zt2]
Russell went on to explore the ramifications of this, to use my term, multiplex view in his Inquiry into Meaning and Truth.[zzz15]
Russell distinguishes four main types of theory pertaining to truth or some equivalent idea. They are, in turn, the theory that:
1. Substitutes warranted assertibility for truth, as favored by John Dewey [rdc1]and the pragmatists.
2. Substitutes probability for truth[ce71], as favored by Hans Reichenbach.
3. Defines truth as coherence, as favored by "Hegelians and certain logical positivists."
4. Is called by Russell the correspondence theory of truth, according to which the truth of basic propositions depends on their relation to some occurrence, and the truth of other propositions depends on their syntactical relations to basic propositions [ug76].
After a lengthy analysis, Russell comes out in favor of the logical theory, not on ground that it could be definitively established, but on ground that, to him, it seemed the most inherently reasonable. After all, he says, no one really believes pure empiricism.
It may be wondered whether Russell, by adopting the logical theory, hasn't committed himself to a logos and its associated monism. In various logic-based formal systems, the theory is based on a set of axioms (which I would say is equivalent to the logos) which is permitted no contradictions in derived statements. As Russell well knows, one contradiction springing from axioms falsifies the theory. Thus, a physical theory of the cosmos must be coherent. Further, should we not assume that Russell's percepto-physical theory of existence must be coherent, with undecidable assertions still holding a Platonic truth value "laid up in heaven"? In other words, to my mind, a pluralistic universe should obey the Brouwerian notion of rejection of the law of excluded middle.
To be clear, we note that by his term coherence theory of truth, Russell [gg2] is referring to those who advocate some formal system that only requires consistency, as opposed to its terms having a basis in perceived facts, where facts is an axiomatic term that covers bits of reality and formal logical assertions. The correspondence theory requires truths to correspond to facts – but does it require universe-wide formal consistency? Russell is unclear on this point, and yet, as we have noted, one can imagine two or more "fact-based" monistic systems, though how they could relate is hard to conceive.[q1]
Even so, Russell's diffidence on neutral monism, I suggest, might be justified by his observation that entropy, as bolstered by quantum indeterminacy, pushes the arrow of time in one direction. [zzz14] That is to say, if causality/determinism is not complete, then the cosmos might lack full coherence and so be pluralistic.
The puzzle of Russell's shifts may have to do with the philosopher's singular notion of substance. The universal substance is not matter, the monist Russell argues, but small events, whereby a point on a relativistic spacetime diagram represents an event (though Russell says his system requires an event to have a minimum finite size). Yet upon reviewing Russell's chapter "Neutral Monism and Physics, [2ee] I come away uncertain as to what precisely the philosopher means by monism. In another chapter, in fact, he says that for him substance need not be indestructible [2ee] , an idea that does indeed suggest a non-absolute monism, leaving him free to argue for pluralism in "mental" relations, whereby Leibniz's principle of sufficient reason need not hold: brute isolated truths are possible. (Elsewhere he sees the notion of substance as outdated.)[zt3]
After "fruitful" discussions with Rudolph Carnap in 1938-1939, Russell notes that he was "as regards to method, more in sympathy with the logical positivists than with any other existing school," adding: "I differ from them, however, in attaching more importance than they do to the work of Berkeley and Hume."[zzz15]
Despite this nod to civility, Russell counters Carnap on the underlying ideas behind his concept of verifiability.[FTE1] "Verification confirms the more doubtful by means of the less doubtful, and is therefore inapplicable to the least doubtful, viz. judgments of perception."[zzz15]
Even on so basic a notion as thing, Russell counters Carnap:
It is because I regard single observations as supplying our factual premisses that I cannot admit, in the statement of such premisses, the notion of thing, which involves some degree of persistence, and can, therefore, only be derived from a plurality of observations. The view of Carnap, which allows the concept of thing in the statement of factual premisses, seems to me to ignore Berkeley and Hume, not to say Heraclitus.[zzz15]
Pragmatist James threw down the gauntlet and urged that the concept of consciousness be discarded, on grounds that at bottom it implied a mere ghost. Thoughts, on the other hand, do exist but the word consciousness does not stand for an entity but rather for a function. Yet, we should recognize that James's resolution of the dualism problem (not to be confused with Jamesian pluralism [hp35] ) went farther than Ryle's reinterpretation of basic notions of philosophy. [zzv1]
"My thesis is," James says, "that if we start with the supposition that there is only one primal stuff or material in the world, a stuff of which everything is composed, and if we call that stuff 'pure experience,' then knowing can easily be explained as a particular sort of relation towards one another into which portions of pure experience may enter. The relation itself is a part of pure experience; one of its 'terms' becomes the subject or bearer of the knowledge, the knower, the other becomes the object known."
Moreover, James emphasizes, "Experience, I believe, has no such inner duplicity; and the separation of it into consciousness and content comes, not by way of subtraction, but by way of addition." Russell picked up on James's ideas, which he placed under the umbrella term neutral monism. (It is quite evident that James's 1904 solution of the dualism problem appears to contradict his radical anti-monism views, which in 1908 James said he had held for two decades.[mnb1])
While I agree that mind is a word that covers a process of some sort, that point does not mean that something or other has been called into (false) existence by the invocation of a name. It is as if Ryle is saying that the word river results from a category mistake because one never steps into the same river twice. The fact that the word river covers a process does not exclude that word from covering a phenomenon that we have all learned to agree – because meaningful to us – as existing [BV38].
Ryle's theory here echoes an important point made by the pragmatists: truths are relative [sb81][YT29]. With this I can agree, to a point. One can imagine, say, an intelligent aquatic lifeform that spends all its time underwater. The concept of river would not exist for it. Even so, to adopt the pragmatist credo that "pragmatism implies that every truth is relative" results in the following: The statement that "pragmatism implies that every truth is relative" is only relatively, not absolutely, true. Hence that statement is not true from every viewpoint. Hence that statement is not true. Hence that statement is inconsistent.
Be that as it may, Russell's view of physicalism may be gathered from this statement in his book The Analysis of Matter: "It is obvious that a man who can see can see things which a blind man cannot know; but a blind man can know the whole of physics. Thus the knowledge which other men have and he has not is not part of physics." [2ee]
Morris Weitz goes on to note Russell's observation that the quantum behavior of the electron and its implications for causality "interposes a veto upon materialistic dogmatism." This is quite a shrewd point, considering that quantum theory had not yet been put in proper order by Heisenberg, Schroedinger and Dirac. Even now, scientists avert their gaze from a related point made by Russell that the possibility exists that "the minute phenomena of the brain which make all the difference to mental phenomena belong to the region where physical laws no longer determine definitely what must happen." This remark came several years before Schroedinger proposed his cat-in-the-box thought experiment. [2e]
Physics, and its usual correlate, naive realism [kaa1] (things are what they seem to be "out there") leads to a contradiction, Russell points out. "Naive realism leads to physics, and physics, if true, shows that naive realism is false. Therefore naive realism, if true, is false; therefore it is false."[zzz15]
A materialist form of monism was favored by J.B.S. Haldane, one of the originators of the modern synthesis that was said to have reconciled the Darwinian natural selection model of evolution with the Mendelian theory of heritable traits. The noted British socialist and atheist was opposed to simplistic materialism as a basis for the understanding of the world. In his The Causes of Evolution (Longmans, Green 1932) he wrote that his "main prejudice is in favor of monism," although he believed that an updated materialism, along with absolute idealism and Russell's neutral monism, was monistic. Haldane quotes Lenin to argue that updated versions of materialism had become "distinctly idealistic."
Haldane thought that scientific advances had shown that plainly physical phenomena could be interpreted as mind-like phenomena – thus, his monism. He wrote that "monism has the advantage that if it is wrong it will ultimately lead to self-contradiction, whereas dualistic systems, which purport to give a less complete account of the world, are therefore less susceptible to disproof." Whether Haldane really meant monism as opposed to monadism is not clear to me.
Another biology-minded thinker and atheist, Thomas Nagel, sees a form of neutral monism, yet to be developed, as a way out of the contradictions evident to him in the standard materialist worldview. [2xz] Nagel has expressed skepticism that natural selection accounts for the human mind.
Why not take the development of the human intellect as a probable counterexample to the law that natural selection explains everything, instead of forcing it under the law with improbable speculations unsupported by evidence? ...
What, I will be asked, is my alternative? Creationism? The answer is I don't have one, and I don't need one in order to reject all existing proposals as improbable. One should not assume that the truth about this matter has already been conceived of – or hold onto a view just because no one can come up with a better alternative. Belief isn't like action. One doesn't have to believe anything, and to believe nothing is not to believe something. [QW1]
My view is that what Russell and others are suggesting is that we think of a multiplex coding of the stuff of existence. That is to say, the stuff's information is encrypted and susceptible to being decoded with two distinct codes (analogous to Epicurus's two types of atoms). Code A will yield information in a clearly physical sense, Code B in an obviously mental sense. How this would relate to the quantum measurement problem is something for monists to come to terms with.
Neither Russell nor Whitehead were the first to propose such a multiplex view. Decades earlier Schopenhauer had advocated a similar idea. "I say that between the act of will and the bodily action there is no causal connection whatever; on the contrary, the two are directly one and the same thing perceived in a double way, namely in self-consciousness or the inner sense as an act of will, and simultaneously in external brain-perception as bodily action." [zw3]
Incidentally, Russell's view of Hegel as an idealist who thought that everything "is in the mind'" was in error, says Robert Solomon. In "an ironic twist," Russell mischaracterized Hegel's view, which held for a "dual-aspect" theory of consciousness, not unlike Russell's own theory. [zw4], [zw9]
Russell however makes no such error in his late-career Wisdom of the West, which contains an acute discussion of Hegel's merits and demerits.[zt2]
Mind your mindless mind
Now the question is, how does Ryle go about debunking the myth of the ghost in the machine? People who believe in something called a mind are making a category mistake, as in asking which member of a rugby team covers "team spirit." Team spirit is not a thing, but a word that tells about a process that emerges from the various members.[zxv1]And yet, we shall see that Ryle makes a very serious "category mistake" (a term he made popular [1xx] by having an infirm grasp of the notions of mechanism, determinism and free will.
At this point, we digress briefly for a technicality: Philosophical systems have traditionally been broken down into categories, which are the highest, most inclusive classes of areas of contemplation. The idea that such systematization is realistic has become controversial, as described here:
On categories
https://plato.stanford.edu/entries/categories/
By category, Ryle seems to mean simply class or set, though one might agree that the concepts he addresses tend to fall under the general notion of philosophical category. At one point, the journalist Bryan Magee asked Ryle what his categories were, but Ryle's answer focused on the importance of what he meant by category error while not giving any particular categories.[zw7]
So one category mistake, we are left to infer, is the assumption that non-physical process is required for mental activity. But then we have this: "Men are not machines, not even ghost-ridden machines. They are men – a tautology worth remembering." When Ryle "solves" the mind-body dualism by proclaiming that man is not a machine – is not some sort of Newtonian clockwork – we quickly see that he has not properly defined the word "machine." A broad interpretation of the term, I suggest, is that of a dynamical system that maintains homeostasis for a period of time using various negative feedback "control" subsystems. Of course such terminology was rare in his day; still, he did not come up with an equivalent definition. If, as is supposed, a man comes into existence and lives only as a result of physical forces, his body – including his brain – is fairly defined as belonging to the class called "machine." The brain in this conception is what today we would describe as an onboard computer directing actions of the body's subsystems [cP28].
Even the name of Ryle's book, The Concept of Mind, holds in it some questions. First, he is saying that mind is a concept but that what that concept represents is something that does not, properly, exist. Ryle doubtless would not like it to subsist either, though he was too much of a Realist to have much regard for that nice distinction.
So a primary question is, what is a concept?
He has not given a rigorous or even a somewhat usable definition of that word. Yet most of us reflexively construe the word concept as something that a mind entertains. It is not the thing, but what the mind uses to represent the thing. Of course, idealists argue that this is incorrect, that (in modern terms), there exists a feedback loop between a mental concept and a thing. Ryle, however, was having none of that. Idealism was as dead as a doornail as far as he was concerned.
I suppose he might answer that a concept is a specific memory, which may be deployed as a thought, and that a concept is simply part of the process of behavior. And I can agree with him that if we are not careful with definitions, we may easily become muddled.
But we need more than tight definitions. We also need a relatively coherent theory, if we can get it. And if not, we must frankly admit that our efforts fall short. I don't see that Ryle has achieved cohesion or given a basis for developing a coherent theory. In fact, his work was already undermined by Alan Turing, whose 1936 paper outlined philosophically and mathematically the existence, in principle, of all of what are now called computer software programs. Though a program guides a process, it is assuredly a thing – though usually not an easily observable thing. Some would object to calling a computer program a mind, and for good reason. Still, we have the Gestalt effect whereby the whole assuredly exceeds the sum of its parts. Likewise, there is a Gestalt effect for the brain's activity. Most of us find the word mind covers that concept. On the other hand, it is true that the word carries a great deal of baggage, ancient and modern. We might try to, say, capitalize Mind and assign it a scientifically strict sense. The trouble with that proposal is that there is even now no agreement on what the brain actually does.
And if Ryle is wrong on this point (although in a time before most academics had even heard of computers or "electronic brains"), why should we consider the remainder of his argument trustworthy – as he lays out for us something that nearly everyone but he took to be a form of behaviorism? [AT20]
The debt owed by Ryle to the behaviorist school of psychology is apparent in the words of John B. Watson: [zzw1]
The Freudians have made more or less of a "metaphysical entity" out of the censor. They suppose that when wishes are repressed they are repressed into the "unconscious," and that this mysterious censor stands at the trapdoor lying between the conscious and the unconscious. Many of us do not believe in a world of the unconscious (a few of us even have grave doubts about the usefulness of the term consciousness), hence we try to explain censorship along ordinary biological lines. We believe that one group of habits can "down'" another group of habits – or instincts. In this case our ordinary system of habits – those we call expressive of our '"real selves'" – inhibit or quench (keep inactive or partially inactive) those habits and instinctive tendencies which belong largely in the past.
It is among these frustrated impulses that I would find the biological basis of the unfulfilled wish. Such 'wishes' need never have been 'conscious,' and need never have been suppressed into Freud's realm of the unconscious. It may be inferred from this that there is no particular reason for applying the term 'wish' to such tendencies.
Indeed, Ryle's theory has come to fall under such rubrics as logical, analytical or conceptual behaviorism. Yet, we may ask whether we may really safely ignore what goes on between the ears. Notes one text: "Ryle's behaviorism presumes that we can explain everything there is about mental events by looking solely at sensory input and behavioral output." Hoping to himself avoid falling into a category mistake, the text says, "Ryle ignores everything that takes place between the input and output." [1xya]
Thomas Nagel sums up Ryle (and others) thus:
One strategy for putting the mental into the physical world picture is conceptual behaviorism, offered as an analysis of the real nature of mental concepts. This was tried in several versions. Mental phenomena were identified variously with behavior, behavioral dispositions, or forms of behavioral organization. In another version, associated with Ryle and inspired by Wittgenstein, mental phenomena were not identified with anything, either physical or nonphysical; the names of mental states and processes were said not to be referring expressions. Instead, mental concepts were explained in terms of their observable behavioral conditions of application – behavioral criteria or assertability conditions rather than behavioral truth conditions. [2xz]
At one point in an interview by Magee, Ryle bristled: "What I want to do is to throw a brick at you for saying 'inside'." So-called "inner life" is no different from "exterior life," Ryle insisted. Things that one says internally, for example, can just as well be said aloud. Here is where we see Ryle attempting to abolish any mystery by insisting that purported inner life is just another worldly phenomenon.
When Pythagorus was working on the Pythagorean theorem, he was in fact talking to himself, with such sentences as, "The square on this side plus the square on that side would not equal the square on this third side." Ryle argued, "We hanker to say that besides, the noises, the words, phrases etc. that he produces... there is something else that Pythagorus is doing as well," such as trying to solve a problem.[zw7] But, if Pythagorus stopped verbalizing to himself, he would no longer be working on the problem, which will have vanished. One wonders, however, what goes on between sentences that prods the thinker to go from one sentence/idea to the next. Seemingly that part of thinking must be non-verbal.
Be that as it may, let us attempt to be charitable, and grant that Ryle meant that physics involves more than billiard balls or, that is to say, more than gravity plus Newton's laws of motion. We can surmise that Ryle objected to Hobbes's mechanistic view of man on grounds that Hobbes saw a human as a Newtonian clockwork. Yet, there is more to the cosmos than Newtonian (really, Laplacian) clockworks. Most of the universe, in Ryle's view, is composed of non-machine, non-clockwork systems, such as the systems of organic life.
Agreed. This is certainly so – especially if we mean that Newtonian clockworks do not include the electrodynamics of Faraday and Maxwell (to say nothing of 20th Century physics).
So, to be fair, one may be rid of the "bogy" of (Hobbesian) mechanics by observing that humans are not ruled by mechanics. Yet they do follow some organic model of physical law. If this sounds suspect, you are on your toes. True, Ryle does not use the phrase "organic model of physical law," but that is certainly what he means. So we now are faced with one of those mysterious "occult" processes he detests so much. But that is not all. Ryle would have us realize that most phenomena in the cosmos are non-mechanical and aperiodic. I take it that he means that aperiodic systems are perforce non-mechanical. So what he really means is the syllogism: nonlinear systems are not machines, a human is a nonlinear system, therefore a human is not a machine. (The word physicalism is irrelevant here, as Ryle does not resort to it in Concept.)
Hence we are left to assume that as there is no machine, there is no need for a ghostly pilot.
Ryle is taken to task in a book by the philosopher Karl Popper.[q2]
"Materialists have welcomed [Concept] as expounding their creed," Popper writes. "Yet Ryle is decidedly not a materialist (in the sense of the principle of physicalism). Of course, he is no dualist, but he is definitely not a physicalist or a monist." How so? Popper spotlights this assertion by Ryle: "Man need not be degraded to a machine by being denied to being a ghost in the machine ... There has yet to be ventured the hazardous leap to the hypothesis that perhaps he is a man."
So then, Popper remarks, "The quesion arises, what does Ryle wish to deny when he says that man is not a 'ghost in a machine'? If his intention is to deny the view of Homer according to whom the psyche – a shade resembling the body – survives the body, one could not object. But Descartes was the one who most clearly rejected this semi-materialist view of human consciousness; and Ryle calls the myth which he rejects the 'Cartesian myth'."
In a footnote, Popper writes, "The myth, as others have also remarked, is hardly to be ascribed to Descartes. It is, if anything, a popular ancient legend, rather than a philosophical and 'fairly new fangled legend,' as Ryle ... calls it."
Popper goes on to argue that though apparently Ryle attempted to outlaw consciousness, he hadn't succeeded because he let slip in references to "my" sensations and feelings.
Get down and bogy
In other words, Ryle is saying we are not robots – because, one must infer, of non-linearity. Granted, Ryle shows no familiarity with the concept of non-linear dynamics (as in non-linear differential equations) and while it is true that this field of study did not become well known until the chaos craze of the 1970s, Ryle's spurning of routine mathematics and science does him a disservice. Moreover, as would be expected of a non-scientist of that era, his book shows no awareness of the quantum measurement problem.Russell sharply criticized Ryle for his scientific ignorance.
Professor Ryle's attitude to science is curious. He no doubt knows that scientists say things which they believe to be relevant to the problems he is discussing, but he is quite persuaded that the philosopher need pay no attention to science. He seems to believe that a philosopher need not know anything scientific beyond what was known in the time of our ancestors when they dyed themselves with woad. It is this attitude that enables him to think that the philosopher should pay attention to the way in which uneducated people speak and should treat with contempt the sophisticated language of the learned.[zzz17]
Agreed that one can have a discussion about perception without being a neurologist. Yet, one would expect that the philosopher would have found worthwhile the pursuit of some of the developments in cognitive sciences. The lack of scientific comprehension means that Ryle could not even understand many of his contemporary philosophers, such as Russell, Whitehead, Popper, Ayer etc. In turn, that means he could not examine or justify his background metaphysics, that gray area of assumptions about the nature of "the real world."
Ryle exemplifies what Bryan Magee calls the "Oxford Philosophy" which dominated the school during the mid twentieth century. Magee expends a substantial sum of energy denouncing as being a minor blind alley this mode of philosophizing, which put much emphasis on "ordinary language." The plain language philosophers were in general uninformed about science, Magee notes. [zw7]
Herewith a statement that casts some light on the professor's scientific knowledge:
"The old error of treating the term Force as denoting an occult force-exerting agency has been given up in the physical sciences, but its relatives survive in many theories of mind and are perhaps only moribund in biology."
Presumably, the sage is referring to the Minkowski-Einstein spacetime continuum, whereby gravity is considered a field disturbance with waves traveling at a finite speed, rather than being thought of as Newton's action at a distance, which was believed to occur instantaneously. Yet Ryle was unaware that in his day "spooky action at a distance" was bedeviling quantum mechanics, as it still does. To suggest that "action at a distance" has been cast out without mentioning the quantum entanglement controversy – instantaneous "spooky action at a distance" – implies that his knowledge was limited.
Granted, there is a bare possibility that he was referring to the use of energy equations that replace the notion of force with another occult notion, energy, but the result is the same: lack of awareness of the occult – sometimes called "weird" – properties of quantum theory.
Ryle's implication here of course is that biologists should keep pace with physics and reject any need for an "occult" non-physical cause, such as an animating spirit. That point of view is today, and was before the sage's birth, widely believed among scientists and intellectuals. This belief, however, is simply a belief, an article of faith, if you will. These days some believe artificial intelligence will soon give strong support to Ryle's vision – but an assertion that sentience needs nothing non-physical is not a proof. (Obviously, the notion that sentience does require something non-physical has been widely believed but no consensus exists on that claim either.)
In any case, one might contend that by rejecting mechanism, Ryle has embraced physicalism. Ryle does not use this word [1a] that refers to a successor concept for 19th Century materialism and, from what I can gather, has been commonly used to mean 20th Century materialism, whereby matter and energy are equivalent and we take into account developments in electromagnetic theory. Physicalism, in this sense, doesn't replace the machine paradigm for mental activity; what we have is simply an admission that clocks can have electronic circuits. Whether we say mechanism, materialism or physicalism, we mean that mental activities are all ordained by physical causes. All three approaches converge on the requirement of a black box somewhere between physical causes and mind or mental action.
The idea of mechanism strongly correlates with the older form of materialism, whereby bits of dead matter were flung about after collisions. In the new materialism, subatomic energy is held to be equivalent to a bit of matter; that is to say, energy held some sort of existence of its own; it became an entity, like matter. Replacing the force/matter paradigm was the energy paradigm. So the tendency would have been to ditch a mechanistic theory of mind, in the Cartesian sense, and usher in a physicalist theory based on energetics. Ryle, however, has not done this, having been evidently ignorant on the finer points of physics.
This distinction is made the more obscure by the term "quantum mechanics," which came into vogue in the 1920s and which has little similarity to the macro-mechanics of Newton.
Strictly speaking, physicalism is a notion introduced by Carnap [1aa] and like-minded members of the Vienna Circle. It was a name for an updated philosophical language of science. For Carnap, physicalism proposed a function between the sentences of psychology and the sentences of physics. [zzz7] That is to say, psychology is simply a disguised form of physics. Later in his career Carnap appeared to have toned down that conceptualization, according to A.J. Ayer, a fellow logical positivist. [zzz8]
By 1940, Russell challenges Carnap's thesis, arguing that the word or corresponds to psychological states but is not used in the basic propositions of physics. Yet, "it is an observable fact that people sometimes believe disjunctions." The same holds for the "second-order" logic words not, some and all, which do not appear in the "object language." Hence, "we cannot accept one possible interpretation of the thesis which Carnap calls physicalism, which maintains that all science can be expressed in the language of physics." Moreover, "we must bear in mind that, prima facie logical words, though not necessary in describing physical facts, are indispensable for the description of certain mental facts.[zzz15]
The attack on 19th century materialism was launched early in the 20th century by A.N. Whitehead, who was dissatisfied with the philosophic and mathematical basis of Laplacian materialism. [zzz5] (Whitehead and Russell wrote Principia Mathematica, a trailblazing work of mathematical logic.)
Calculus may be useful for calculation, according to Whitehead, but its assumptions are not a good ground for philosophy. One should not think of an occurrence as implying a mechanistic chain of frozen points (as in the contiguous points on a line). That picture may serve well enough for scientific needs, but it does not accurately capture the reality – which is, that the cosmos is composed of events that are part of some organic whole. That whole includes human experience, such as poetical feeling, as in the suffuse experience of a sunset or of a wondrous bit of literature. Bare scientific analysis is insufficient to capture these organic parcels of reality. [1xaaa],[zzz5]
In any case, we might infer that Ryle was what has come to be known as a functionalist, but that suggestion is another red herring; it also tends to befuddle rather than clarify.
The Internet Encyclopedia of Philosophy describes functionalism as "the theory that mental states are more like mouse traps than they are like diamonds. That is, what makes something a mental state is more a matter of what it does, not what it is made of. This distinguishes functionalism from traditional mind-body dualism, such as that of René Descartes, according to which minds are made of a special kind of substance, the res cogitans (the thinking substance)."
To this writer, functionalism relates closely to "emergent behavior" metaphors, such as the gas law or the differential equation giving minimum population prior to species extinction. Functionalism, as generally understood, requires physicalism. Both, some would argue, are based on a doctrine disparagingly known as "scientism" [zq0].
Be that as it may, surely when Ryle asserts that men are not machines, he does not mean to say that a Designer is implied. When he condemns "the bogy of mechanism," he is not trying to toss out determinism; yet precisely what sort of determinism he is implying is open to question. Regardless of the fact that many these days prefer to describe the world statistically – correlation, not causation – we have to deal with determinism, or its lack. Here are the options.
1. Determinism (Laplacian)a. periodic and fairly predictable2. Randomness (intrinsic randomness in which outcomes are partly acausal)
b. nonlinear, possibly chaotic, and pseudorandom
3. Oracle-ism (Turing)By oracle-ism, we mean "ghostly" origins of thought, word and deed – origins that lack what is regarded as physical cause, such as an "oracle machine" that could, notionally, decide the halting problem.
Despite Ryle's attempts throughout his book at better definitions, he has missed important definitions concerning the three options above. So he has not succeeded in resolving the mind-body problem by barring the concept of machine, as he implicitly defines the word.
I suppose he might have argued that the posited duality is false because mind and body are facets of a whole, although direct holism is not specified, nor any sort of Gestalt effect, nor an emergent quality; he does, however, expend much effort on what he regards as potentially misleading characterizations of mind that lend credence to the notion of ghost (spirit or soul). In fact, I would say that Ryle's discussion is sorely troubled by a lack of depth on the issues of causation and perception. Thus, he does not see that he is being "occult" – to use his term – where he waves his hands to get past the little gap in his theory.
It is noteworthy that Ryle was hardly the first to attempt to cast out the bogey of mind/self. Hume denied the existence of the self, espousing I suppose a sort of functionalism.
There are some philosophers, who imagine we are every moment intimately conscious of what we call our self; that we feel its existence and its continuance in existence; and are certain, beyond the evidence of a demonstration, both of its perfect identity and simplicity...
Unluckily all these positive assertions are contrary to that very experience, which is pleaded for them...
I never can catch myself at any time without a perception, and never can observe any thing but the perception. [zw5]
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https://ghostbust999.blogspot.com/2020/04/part-d-holistic-in-head.html
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