<SPAN name="startofbook"></SPAN>
<h1> THE <br/> PROBLEM OF TRUTH<br/> </h1>
<p><br/></p>
<p class="t2">
BY H. WILDON CARR<br/></p>
<p><br/><br/></p>
<h3> CHAPTER I <br/> PHYSICS AND METAPHYSICS </h3>
<p>The progress of physical science leads to the continual
discovery of complexity in what is first apprehended as
simple. The atom of hydrogen, so long accepted as the
ideal limit of simplicity, is now suspected to be not the
lowest unit in the scale of elements, and it is no longer
conceived, as it used to be, as structureless, but as
an individual system, comparable to a solar system,
of electrical components preserving an equilibrium
probably only temporary. The same tendency to
discover complexity in what is first apprehended as simple
is evident in the study of philosophy. The more our
simple and ordinary notions are submitted to analysis,
the more are profound problems brought to consciousness.
It is impossible to think that we do not know
what such an ordinary, simple notion as that of truth
is; yet the attempt to give a definition of its meaning
brings quite unexpected difficulties to light, and the
widest divergence at the present time between rival
principles of philosophical interpretation is in regard to
a theory of the nature of truth. It is not a problem
that is pressed on us by any felt need, nor is anyone who
does not feel its interest called upon to occupy himself
with it. We speak our language before we know its
<span class="pagenum">{<SPAN name="P10"></SPAN>10}</span>
grammar, and we reason just as well whether we have
learnt the science of logic or not.</p>
<p>This science of Logic, or, as it is sometimes called, of
Formal Logic, was, until modern times, regarded as a
quite simple account of the principles that govern the
exercise of our reasoning faculty, and of the rules
founded on those principles by following which truth
was attained and false opinion or error avoided. It was
called formal because it was supposed to have no
relation to the matter of the subject reasoned about, but
only to the form which the reasoning must take. A
complete account of this formal science, as it was
recognised and accepted for many ages, might easily have
been set forth within the limits of a small volume such
as this. But the development of modern philosophy
has wrought an extraordinary change. Anyone now
who will set himself the task of mastering all the
problems that have been raised round the question of the
nature of logical process, will find himself confronted
with a vast library of special treatises, and involved in
discussions that embrace the whole of philosophy. The
special problem of truth that it is the object of this
little volume to explain is a quite modern question. It
has been raised within the present generation of
philosophical writers, and is to-day, perhaps, the chief
controversy in which philosophers are engaged. But
although it is only in the last few years that
controversy has been aroused on this question, the problem
is not new—it is indeed as old as philosophy itself. In
the fifth century before Christ, and in the generation
that immediately preceded Socrates, a famous philosopher,
Protagoras (481-411 B.C.) published a book
with the title <i>The Truth</i>. He had the misfortune,
common at that time, to offend the religious Athenians,
<span class="pagenum">{<SPAN name="P11"></SPAN>11}</span>
for he spoke slightingly of the gods, proposing to
"banish their existence or non-existence from writing
and speech." He was convicted of atheism, and his
books were publicly burnt, and he himself, then seventy
years of age, was either banished or at least was obliged
to flee from Athens, and on his way to Sicily he lost
his life in a shipwreck. Our knowledge of this book of
Protagoras is due to the preservation of its argument
by Plato in the dialogue "Theætetus." Protagoras, we
are there told, taught that "man is the measure of all
things—of the existence of things that are, and of the
non-existence of things that are not." "You have read
him?" asks Socrates, addressing Theætetus. "Oh yes,
again and again," is Theætetus' reply. Plato was
entirely opposed to the doctrine that Protagoras taught.
It seemed to him to bring gods and men and tadpoles
to one level as far as truth was concerned; for he drew
the deduction that if man is the measure of all things,
then to each man his own opinion is right. Plato
opposed to it the theory that truth is the vision of a
pure objective reality.</p>
<p>This same problem that exercised the ancient world
is now again a chief centre of philosophical interest, and
the aim of this little book is not to decide that question,
but to serve as a guide and introduction to those who
desire to know what the question is that divides
philosophers to-day into the hostile camps of pragmatism
and intellectualism.</p>
<p>The subject is not likely to interest anyone who does
not care for the study of the exact definitions and
abstract principles that lie at the basis of science and
philosophy. There are many who are engaged in the
study of the physical and natural sciences, and also
many who devote themselves to the social and political
<span class="pagenum">{<SPAN name="P12"></SPAN>12}</span>
sciences, who hold in profound contempt the fine
distinctions and intellectual subtleties that seem to them
the whole content of logic and metaphysic. The attitude
of the scientific mind is not difficult to understand. It
has recently been rather graphically expressed by a
distinguished and popular exponent of the principles
of natural science. "One may regard the utmost possibilities
of the results of human knowledge as the contents
of a bracket, and place outside the bracket the factor
<i>x</i> to represent those unknown and unknowable
possibilities which the imagination of man is never wearied
of suggesting. This factor <i>x</i> is the plaything of the
metaphysician."[<SPAN name="chap01fn1text"></SPAN><SPAN href="#chap01fn1">1</SPAN>] This mathematical symbol of the
bracket, multiplied by <i>x</i> to represent the unknown and
unknowable possibilities beyond it, will serve me to
indicate with some exactness the problem with which I
am going to deal. The symbol is an expression of the
agnostic position. The popular caricature of the
metaphysician and his "plaything" we may disregard as a
pure fiction. The unknowable <i>x</i> of the agnostic is not
the "meta" or "beyond" of physics which the
metaphysician vainly seeks to know. The only "beyond"
of physics is consciousness or experience itself, and this
is the subject-matter of metaphysics. Our present
problem is that of the bracket, not that of the factor
outside, if there is any such factor, nor yet the particular
nature of the contents within. There are, as we shall
see, three views that are possible of the nature of the
bracket. In one view, it is merely the conception of
the extent which knowledge has attained or can attain;
it has no intimate relation to the knowledge, but marks
externally its limit. This is the view of the realist. In
another view, the whole of knowledge is intimately related
<span class="pagenum">{<SPAN name="P13"></SPAN>13}</span>
to its particular parts; the things we know are not a
mere collection or aggregate of independent facts that
we have discovered; the bracket which contains our
knowledge gives form to it, and relates organically the
dependent parts to the whole in one comprehensive
individual system. This is the view of the idealist.
There is yet another view: human knowledge is relative
to human activity and its needs; the bracket is the
ever-changing limit of that activity—within it is all
that is relevant to human purpose and personality
without it is all that is irrelevant. This is the view of
the pragmatist.</p>
<p>It is not only the scientific mind, but also the ethical
and religious mind, that is likely to be at least impatient,
if not contemptuous, of this inquiry. The question
What is truth? will probably bring to everyone's mind
the words uttered by a Roman Procurator at the supreme
moment of a great world-tragedy. Pilate's question is
usually interpreted as the cynical jest of a judge
indifferent to the significance of the great cause he was
trying—the expression of the belief that there is no revelation
of spiritual truth of the highest importance for our
human nature, or at least that there is no infallible test
by which it can be known. It is not this problem of
truth that we are now to discuss.</p>
<p>There are, on the other hand, many minds that can
never rest satisfied while they have accepted only, and
not examined, the assumptions of science and the values
of social and political and religious ideals. Their quest
of first principles may appear to more practical natures
a harmless amusement or a useless waste of intellectual
energy; but they are responding to a deep need of our
human nature, a need that, it may be, is in its very nature
insatiable—the need of intellectual satisfaction. It is
<span class="pagenum">{<SPAN name="P14"></SPAN>14}</span>
the nature of this intellectual satisfaction itself that is
our problem of truth.</p>
<p>There are therefore two attitudes towards the problem
of truth and reality—that of the mind which brings a
practical test to every question, and that of the mind
restless to gain by insight or by speculation a clue to the
mystery that enshrouds the meaning of existence. The
first attitude seems peculiarly to characterise the man
of science, who delights to think that the problem of
reality is simple and open to the meanest understanding.
Between the plain man's view and that of the man of
high attainment in scientific research there is for him
only a difference of degree, and science seems almost to
require an apology if it does not directly enlarge our
command over nature. It would explain life and
consciousness as the result of chemical combination of
material elements. Philosophy, on the other hand, is
the instinctive feeling that the secret of the universe is
not open and revealed to the plain man guided by
common-sense experience alone, even if to this
experience be added the highest attainments of scientific
research. Either there is far more in matter than is
contained in the three-dimensional space it occupies,
or else the universe must owe its development to
something beyond matter. The universe must seem a poor
thing indeed to a man who can think that physical
science does or can lay bare its meaning. It is the
intense desire to catch some glimpse of its meaning
that leads the philosopher to strive to transcend the
actual world by following the speculative bent of the
reasoning power that his intellectual nature makes
possible.</p>
<p><br/></p>
<p class="footnote">
<SPAN name="chap01fn1"></SPAN>
[<SPAN href="#chap01fn1text">1</SPAN>] Sir Kay Lankester.</p>
<p><br/><br/><br/></p>
<p><SPAN name="chap02"></SPAN></p>
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