THE LOGICAL CHARACTER OF IDEAS

Said John Stuart Mill: "To draw inferences has been said to be the

great business of life.... It is the only occupation in which the mind

never ceases to be engaged." If this be so, it seems a pity that Mill

did not recognize that this business identifies what we mean when we

say "mind." If he had recognized this, he would have cast the weight

of his immense influence not only against the conception that mind is

a substance, but also against the conception that it is a collection

of existential states or attributes without any substance in which to

inhere; and he would thereby have done much to free logic from

epistemological metaphysics. In any case, an account of intellectual

operations and conditions from the standpoint of the rôle played and

position occupied by them in the business of drawing inferences is a

different sort of thing from an account of them as having an existence

_per se_, from treating them as making up some sort of existential

material distinct from the _things_ which figure in inference-drawing.

This latter type of treatment is that which underlies the psychology

which itself has adopted uncritically the remnants of the metaphysics

of soul substance: the idea of accidents without the substance.[48]

This assumption from metaphysical psychology--the assumption of

consciousness as an existent stuff or existent process--is then

carried over into an examination of knowledge, so as to make the

theory of knowledge not logic (an account of the ways in which valid

inferences or conclusions from things to other things are made), but

epistemology.

We have, therefore, the result (so unfortunate for logic) that logic

is not free to go its own way, but is compromised by the assumption

that knowledge goes on not in terms of things (I use "things" in the

broadest sense, as equaling _res_, and covering affairs, concerns,

acts, as well as "things" in the narrower sense), but in terms of a

relation _between_ things and a peculiar existence made up of

consciousness, or else between things and functional operations of

this existence. If it could be shown that psychology is essentially

not a science of states of consciousness, but of behavior, conceived

as a process of continuous readjustment, then the undoubted facts

which go by the name of sensation, perception, image, emotion,

concept, would be interpreted to mean peculiar (i.e., specifically

qualitative) epochs, phases, and crises in the scheme of behavior. The

supposedly scientific basis for the belief that states of

consciousness inherently define a separate type of existence would be

done away with. Inferential knowledge, knowledge involving reflection,

_psychologically_ viewed, would be assimilated to a certain mode of

readaptation of functions, involving shock and the need of control;

'knowledge' in the sense of direct non-reflective presence of things

would be identified (psychologically) with relatively stable or

completed adjustments. I can not profess to speak for psychologists,

but it is an obvious characteristic of the contemporary status of

psychology that one school (the so-called functional or dynamic)

operates with nothing more than a conventional and perfunctory

reference to "states of consciousness"; while the orthodox school

makes constant concessions to ideas of the behavior type. It

introduces the conceptions of fatigue, practice, and habituation. It

makes its fundamental classifications on the basis of physiological

distinctions (e.g., the centrally initiated and the peripherally

initiated), which, from a biological standpoint, are certainly

distinctions of structures involved in the performance of acts.

One of the aims of the _Studies in Logical Theory_ was to show, on the

negative or critical side, that the type of logical theory which

professedly starts its account of knowledge from mere states of

consciousness is compelled at every crucial juncture to assume

_things_, and to define its so-called mental states in terms of

things;[49] and, on the positive side, to show that, logically

considered, such distinctions as sensation, image, etc., mark

instruments and crises in the development of controlled judgment,

i.e., of inferential conclusions. It was perhaps not surprising that

this effort should have been criticized not on its own merits, but on

the assumption that this correspondence of the (functional)

psychological and the logical points of view was intended in terms of

the psychology which obtained in the _critic's_ mind--to wit, the

psychology based on the assumption of consciousness as a separate

existence or process.

These considerations suggest that before we can intelligently raise

the question of the truth of ideas we must consider their status in

judgment, judgment being regarded as the typical expression of the

inferential operation. (1) Do ideas present themselves except in

situations which are doubtful and inquired into? Do they exist side by

side with the facts when the facts are themselves known? Do they exist

except when judgment is in suspense? (2) Are "ideas" anything else

except the suggestions, conjectures, hypotheses, theories (I use an

ascending scale of terms) tentatively entertained during a suspended

conclusion? (3) Do they have any part to play in the conduct of

inquiry? Do they serve to direct observation, colligate data, and

guide experimentation, or are they otiose?[50] (4) If the ideas have a

function in directing the reflective process (expressed in judgment),

does success in performing the function (that is, in directing to a

conclusion which is stable) have anything to do with the logical worth

or validity of the ideas? (5) And, finally, does validity have

anything to do with truth? Does "truth" mean something inherently

different from the fact that the conclusion of one judgment (the known

fact, previously unknown, in which judging terminates) is itself

applicable in further situations of doubt and inquiry? And is judgment

properly more than tentative save as it terminates in a known fact,

i.e., a fact present without the intermediary of reflection?

When these questions--I mean, of course, questions which are

exemplified in these queries--are answered, we shall, perhaps, have

gone as far as it is possible to go with reference to the _logical_

character of ideas. The question may then recur as to whether the

"ideas" of the epistemologist (that is, existences in a purely

"private stream of consciousness") remain as something over and above,

not yet accounted for; or whether they are perversions and

misrepresentations of logical characters. I propose to give a brief

dogmatic reply in the latter sense. Where, and in so far as, there are

unquestioned objects, there is no "consciousness." There are just

things. When there is uncertainty, there are dubious, suspected

objects--things hinted at, guessed at. Such objects have a distinct

status, and it is the part of good sense to give them, as occupying

that status, a distinct caption. "Consciousness" is a term often used

for this purpose; and I see no objection to that term, _provided_ it

is recognized to mean such objects as are problematic, plus the fact

that in their problematic character they may be used, as effectively

as accredited objects, to direct observations and experiments which

finally relieve the doubtful features of the situation. Such "objects"

may turn out to be valid, or they may not. But, in any case, they may

be used. They may be internally manipulated and developed through

ratiocination into explicit statement of their implications; they may

be employed as standpoints for selecting and arranging data, and as

methods for conducting experiments. In short, they are not merely

hypothetical; they are _working_ hypotheses. Meanwhile, their

aloofness from accredited objectivity may lead us to characterize them

as merely ideas, or even as "mental states," provided once more we

mean by mental state just this logical status.

We have examples of such ideas in symbols. A symbol, I take it, is

always itself, existentially, a particular object. A word, an

algebraic sign, is just as much a concrete existence as is a horse, a

fire-engine, or a flyspeck. But its value resides in its

representative character: in its suggestive and directive force for

operations that when performed lead us to non-symbolic objects, which

without symbolic operations would not be apprehended, or at least

would not be so easily apprehended. It is, I think, worth noting that

the capacity (_a_) for regarding objects as mere symbols and (_b_) for

employing symbols instrumentally furnishes the only safeguard against

dogmatism, i.e., uncritical acceptance of any suggestion that comes to

us vividly; and also that it furnishes the only basis for

intelligently controlled experiments.

I do not think, however, that we should have the tendency to regard

ideas as _private_, as personal, if we stopped short at this point. If

we had only words or other symbols uttered by others, or written, or

printed, we might call them, when in objective suspense, mere ideas.

But we should hardly think of these ideas as our own. Such

extra-organic stimuli, however, are not adequate logical devices. They

are too rigid, too "objective" in their own existential status. Their

meaning and character are too definitely fixed. For effective

discovery we need things which are more easily manipulated, which are

more transitive, more easily dropped and changed. Intra-organic

events, adjustments _within_ the organism, that is, adjustments of the

organism considered not with reference to the environment but with

reference to one another, are much better suited to stand as

representatives of genuinely dubious objects. An object which is

_really_ doubted is by its nature precarious and inchoate, vague. What

_is_ a thing when it is not yet discovered and yet is tentatively

entertained and tested?

Ancient logic never got beyond the conception of an object whose

logical _place_, whose subsumptive position as a particular with

reference to some universal, was doubtful. It never got to the point

where it could search for particulars which in themselves as

particulars are doubtful. Hence it was a logic of proof, of deduction,

not of inquiry, of discovery, and of induction. It was hard up against

its own dilemma: How can a man inquire? For either he knows that for

which he seeks, and hence does not seek: or he does not know, in which

case he can not seek, nor could he tell if he found. The

individualistic movement of modern life detached, as it were, the

individual, and allowed personal (i.e., intra-organic) events to have,

transitively and temporarily, a worth of their own. These events are

continuous with extra-organic events (in origin and eventual

outcome); but they may be considered in temporary displacement as

uniquely existential. In this capacity they serve as means for the

elaboration of a delayed but more adequate response in a radically

different direction. So treated, they are tentative, dubious but

experimental, anticipations of an object. They are "subjective" (i.e.,

individualistic) surrogates of public, cosmic things, which may be so

manipulated and elaborated as to terminate in public things which

without them would not exist as empirical objects.[51]

The recognition then of intra-organic events, which are not merely

effects nor distorted refractions of cosmic objects, but inchoate

_future_ cosmic objects in process of experimental construction,

resolves, to my mind, the paradox of so-called subjective and private

things that have objective and universal reference, and that operate

so as to lead to objective consequences which test their own value.

When a man can say: This color is not necessarily the color of the

glass nor the picture nor even of an object reflected but is at least

an event in my nervous system, an event which I may refer to my

organism till I get _surety of other reference_--he is for the first

time emancipated from the dogmatism of unquestioned reference, and is

set upon a path of experimental inquiry.

I am not here concerned with trying to demonstrate that this is the

correct mode of interpretation. I am only concerned with pointing out

its radical difference from the view of a critic who, holding to the

two-world theory of existences which from the start are divided into

the fixedly objective and the fixedly psychical, interprets in terms

of his own theory the view that the distinction between the objective

and the subjective is a logical-practical distinction. Whether the

logical, as against the ontological, theory be true or false, it can

hardly be fruitfully discussed without a preliminary apprehension of

it as a logical conception.

Essays in Experimental Logic · 第 43 / 86 题