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[Illustration]
The Critique of Pure Reason
By Immanuel Kant
Translated by J. M. D. Meiklejohn
Contents
Preface to the First Edition (1781)
Preface to the Second Edition (1787)
Introduction
I. Of the difference between Pure and Empirical Knowledge
II. The Human Intellect, even in an Unphilosophical State, is in... | kant-critique-of-pure-reason:0000 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 0 | kant-critique-of-pure-reason:0001 | 782 | ||||
In Cognition, its Application to Objects of Experience is the only
legitimate use of the Category. § 18
Of the Application of the Categories to Objects of the Senses in
general. § 20
Transcendental Deduction of the universally possible employment in
experience of the Pure Conceptions of the Understanding. § 22
Re... | kant-critique-of-pure-reason:0001 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 1 | kant-critique-of-pure-reason:0000 | kant-critique-of-pure-reason:0002 | 772 | |||
Section VI. Of the Impossibility of a Physico-Theological Proof.
Section VII. Critique of all Theology based upon Speculative
Principles of Reason.
Appendix. Of the Regulative Employment of the Ideas of Pure Reason.
II. Transcendental Doctrine of Method
Chapter I. The Discipline of Pure Reason.
Section I. The Dis... | kant-critique-of-pure-reason:0002 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 2 | kant-critique-of-pure-reason:0001 | kant-critique-of-pure-reason:0003 | 603 | |||
At first, her government, under the administration of the _dogmatists_,
was an absolute _despotism_. But, as the legislative continued to show
traces of the ancient barbaric rule, her empire gradually broke up, and
intestine wars introduced the reign of _anarchy;_ while the _sceptics_,
like nomadic tribes, who hate a p... | kant-critique-of-pure-reason:0003 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 3 | kant-critique-of-pure-reason:0002 | kant-critique-of-pure-reason:0004 | 676 | |||
[1] We very often hear complaints of the shallowness of the present
age, and of the decay of profound science. But I do not think that
those which rest upon a secure foundation, such as mathematics,
physical science, etc., in the least deserve this reproach, but that
they rather maintain their ancient fame, and in ... | kant-critique-of-pure-reason:0004 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 4 | kant-critique-of-pure-reason:0003 | kant-critique-of-pure-reason:0005 | 680 | |||
While I say this, I think I see upon the countenance of the reader
signs of dissatisfaction mingled with contempt, when he hears
declarations which sound so boastful and extravagant; and yet they are
beyond comparison more moderate than those advanced by the commonest
author of the commonest philosophical programme, in... | kant-critique-of-pure-reason:0005 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 5 | kant-critique-of-pure-reason:0004 | kant-critique-of-pure-reason:0006 | 642 | |||
I know no investigations more necessary for a full insight into the
nature of the faculty which we call _understanding_, and at the same
time for the determination of the rules and limits of its use, than
those undertaken in the second chapter of the “Transcendental
Analytic,” under the title of _Deduction of the Pure ... | kant-critique-of-pure-reason:0006 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 6 | kant-critique-of-pure-reason:0005 | kant-critique-of-pure-reason:0007 | 415 | |||
As regards _clearness_, the reader has a right to demand, in the first
place, _discursive_ or logical clearness, that is, on the basis of
conceptions, and, secondly, _intuitive_ or æsthetic clearness, by means
of intuitions, that is, by examples or other modes of illustration _in
concreto_. I have done what I could for... | kant-critique-of-pure-reason:0007 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 7 | kant-critique-of-pure-reason:0006 | kant-critique-of-pure-reason:0008 | 567 | |||
The reader must naturally have a strong inducement to co-operate with
the present author, if he has formed the intention of erecting a
complete and solid edifice of metaphysical science, according to the
plan now laid before him. Metaphysics, as here represented, is the only
science which admits of completion—and with ... | kant-critique-of-pure-reason:0008 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 8 | kant-critique-of-pure-reason:0007 | kant-critique-of-pure-reason:0009 | 554 | |||
Whether the treatment of that portion of our knowledge which lies
within the province of pure reason advances with that undeviating
certainty which characterizes the progress of _science_, we shall be at
no loss to determine. If we find those who are engaged in metaphysical
pursuits, unable to come to an understanding ... | kant-critique-of-pure-reason:0009 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 9 | kant-critique-of-pure-reason:0008 | kant-critique-of-pure-reason:0010 | 673 | |||
Now these sciences, if they can be termed rational at all, must contain
elements of _à priori_ cognition, and this cognition may stand in a
twofold relation to its object. Either it may have to _determine_ the
conception of the object—which must be supplied extraneously, or it may
have to _establish its reality_. The f... | kant-critique-of-pure-reason:0010 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 10 | kant-critique-of-pure-reason:0009 | kant-critique-of-pure-reason:0011 | 663 | |||
A much longer period elapsed before _Physics_ entered on the highway of
science. For it is only about a century and a half since the wise BACON
gave a new direction to physical studies, or rather—as others were
already on the right track—imparted fresh vigour to the pursuit of this
new direction. Here, too, as in the c... | kant-critique-of-pure-reason:0011 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 11 | kant-critique-of-pure-reason:0010 | kant-critique-of-pure-reason:0012 | 506 | |||
We come now to _metaphysics_, a purely speculative science, which
occupies a completely isolated position and is entirely independent of
the teachings of experience. It deals with mere conceptions—not, like
mathematics, with conceptions applied to intuition—and in it, reason is
the pupil of itself alone. It is the olde... | kant-critique-of-pure-reason:0012 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 12 | kant-critique-of-pure-reason:0011 | kant-critique-of-pure-reason:0013 | 498 | |||
It appears to me that the examples of mathematics and natural
philosophy, which, as we have seen, were brought into their present
condition by a sudden revolution, are sufficiently remarkable to fix
our attention on the essential circumstances of the change which has
proved so advantageous to them, and to induce us to ... | kant-critique-of-pure-reason:0013 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 13 | kant-critique-of-pure-reason:0012 | kant-critique-of-pure-reason:0014 | 725 | |||
[4] This method, accordingly, which we have borrowed from the natural
philosopher, consists in seeking for the elements of pure reason in
that _which admits of confirmation or refutation by experiment_. Now
the propositions of pure reason, especially when they transcend the
limits of possible experience, do not adm... | kant-critique-of-pure-reason:0014 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 14 | kant-critique-of-pure-reason:0013 | kant-critique-of-pure-reason:0015 | 762 | |||
[5] This experiment of pure reason has a great similarity to that of
the _Chemists_, which they term the experiment of _reduction_, or,
more usually, the _synthetic_ process. The _analysis_ of the
metaphysician separates pure cognition _à priori_ into two
heterogeneous elements, viz., the cognition of things as phe... | kant-critique-of-pure-reason:0015 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 15 | kant-critique-of-pure-reason:0014 | kant-critique-of-pure-reason:0016 | 484 | |||
This attempt to introduce a complete revolution in the procedure of
metaphysics, after the _example_ of the geometricians and natural
philosophers, constitutes the aim of the Critique of Pure Speculative
Reason. It is a treatise on the method to be followed, not a system of
the science itself. But, at the same time, it... | kant-critique-of-pure-reason:0016 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 16 | kant-critique-of-pure-reason:0015 | kant-critique-of-pure-reason:0017 | 455 | |||
But, it will be asked, what kind of a treasure is this that we propose
to bequeath to posterity?
What is the real value of this system of
metaphysics, purified by criticism, and thereby reduced to a permanent
condition?
A cursory view of the present work will lead to the
supposition that its use is merely _negative_,... | kant-critique-of-pure-reason:0017 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 17 | kant-critique-of-pure-reason:0016 | kant-critique-of-pure-reason:0018 | 728 | |||
I should then be unable to assert,
with regard to one and the same being, e.g., the human soul, that its
will is _free_, and yet, at the same time, subject to natural
necessity, that is, _not free_, without falling into a palpable
contradiction, for in both propositions I should take the soul in _the
same signification... | kant-critique-of-pure-reason:0018 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 18 | kant-critique-of-pure-reason:0017 | kant-critique-of-pure-reason:0019 | 769 | |||
[7] In order to _cognize_ an object, I must be able to prove its
possibility, either from its reality as attested by experience, or _à
priori_, by means of reason. But I can _think_ what I please, provided
only I do not contradict myself; that is, provided my conception is a
possible thought, though I may be unable... | kant-critique-of-pure-reason:0019 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 19 | kant-critique-of-pure-reason:0018 | kant-critique-of-pure-reason:0020 | 670 | |||
This important change in the field of the sciences, this loss of its
fancied possessions, to which speculative reason must submit, does not
prove in any way detrimental to the general interests of humanity. The
advantages which the world has derived from the teachings of pure
reason are not at all impaired. The loss fa... | kant-critique-of-pure-reason:0020 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 20 | kant-critique-of-pure-reason:0019 | kant-critique-of-pure-reason:0021 | 594 | |||
At the same time it does not deprive the speculative philosopher of his
just title to be the sole depositor of a science which benefits the
public without its knowledge—I mean, the Critique of Pure Reason. This
can never become popular and, indeed, has no occasion to be so; for
finespun arguments in favour of useful tr... | kant-critique-of-pure-reason:0021 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 21 | kant-critique-of-pure-reason:0020 | kant-critique-of-pure-reason:0022 | 397 | |||
This critical science is not opposed to the _dogmatic procedure_ of
reason in pure cognition; for pure cognition must always be dogmatic,
that is, must rest on strict demonstration from sure principles _à
priori_—but to _dogmatism_, that is, to the presumption that it is
possible to make any progress with a pure cognit... | kant-critique-of-pure-reason:0022 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 22 | kant-critique-of-pure-reason:0021 | kant-critique-of-pure-reason:0023 | 548 | |||
In this _second edition_, I have endeavoured, as far as possible, to
remove the difficulties and obscurity which, without fault of mine
perhaps, have given rise to many misconceptions even among acute
thinkers. In the propositions themselves, and in the demonstrations by
which they are supported, as well as in the form... | kant-critique-of-pure-reason:0023 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 23 | kant-critique-of-pure-reason:0022 | kant-critique-of-pure-reason:0024 | 530 | |||
[8] The only addition, properly so called—and that only in the method
of proof—which I have made in the present edition, consists of a new
refutation of psychological _Idealism_, and a strict demonstration—the
only one possible, as I believe—of the objective reality of external
intuition.
However harmless idealism... | kant-critique-of-pure-reason:0024 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 24 | kant-critique-of-pure-reason:0023 | kant-critique-of-pure-reason:0025 | 769 | |||
But in order to ascertain to what
given intuitions objects, external me, really correspond, in other
words, what intuitions belong to the external sense and not to
imagination, I must have recourse, in every particular case, to those
rules according to which experience in general (even internal
experience) is dist... | kant-critique-of-pure-reason:0025 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 25 | kant-critique-of-pure-reason:0024 | kant-critique-of-pure-reason:0026 | 263 | |||
In attempting to render the exposition of my views as intelligible as
possible, I have been compelled to leave out or abridge various
passages which were not essential to the completeness of the work, but
which many readers might consider useful in other respects, and might
be unwilling to miss. This trifling loss, whi... | kant-critique-of-pure-reason:0026 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 26 | kant-critique-of-pure-reason:0025 | kant-critique-of-pure-reason:0027 | 127 | |||
I have observed, with pleasure and thankfulness, in the pages of
various reviews and treatises, that the spirit of profound and thorough
investigation is not extinct in Germany, though it may have been
overborne and silenced for a time by the fashionable tone of a licence
in thinking, which gives itself the airs of gen... | kant-critique-of-pure-reason:0027 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 27 | kant-critique-of-pure-reason:0026 | kant-critique-of-pure-reason:0028 | 676 | |||
I. Of the difference between Pure and Empirical Knowledge
That all our knowledge begins with experience there can be no doubt.
For how is it possible that the faculty of cognition should be awakened
into exercise otherwise than by means of objects which affect our
senses, and partly of themselves produce representatio... | kant-critique-of-pure-reason:0028 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 28 | kant-critique-of-pure-reason:0027 | kant-critique-of-pure-reason:0029 | 649 | |||
II. The Human Intellect, even in an Unphilosophical State, is in
Possession of Certain Cognitions “à priori”.
The question now is as to a criterion, by which we may securely
distinguish a pure from an empirical cognition. Experience no doubt
teaches us that this or that object is constituted in such and such a
manner,... | kant-critique-of-pure-reason:0029 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 29 | kant-critique-of-pure-reason:0028 | kant-critique-of-pure-reason:0030 | 454 | |||
Now, that in the sphere of human cognition we have judgements which are
necessary, and in the strictest sense universal, consequently pure à
priori, it will be an easy matter to show. If we desire an example from
the sciences, we need only take any proposition in mathematics. If we
cast our eyes upon the commonest oper... | kant-critique-of-pure-reason:0030 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 30 | kant-critique-of-pure-reason:0029 | kant-critique-of-pure-reason:0031 | 568 | |||
III. Philosophy stands in need of a Science which shall Determine the
Possibility, Principles, and Extent of Human Knowledge “à priori”
Of far more importance than all that has been above said, is the
consideration that certain of our cognitions rise completely above the
sphere of all possible experience, and by means... | kant-critique-of-pure-reason:0031 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 31 | kant-critique-of-pure-reason:0030 | kant-critique-of-pure-reason:0032 | 638 | |||
Mathematical science affords us a brilliant example, how far,
independently of all experience, we may carry our à priori knowledge.
It is true that the mathematician occupies himself with objects and
cognitions only in so far as they can be represented by means of
intuition. But this circumstance is easily overlooked, ... | kant-critique-of-pure-reason:0032 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 32 | kant-critique-of-pure-reason:0031 | kant-critique-of-pure-reason:0033 | 639 | |||
IV. Of the Difference Between Analytical and Synthetical Judgements.
In all judgements wherein the relation of a subject to the predicate is
cogitated (I mention affirmative judgements only here; the application
to negative will be very easy), this relation is possible in two
different ways. Either the predicate B bel... | kant-critique-of-pure-reason:0033 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 33 | kant-critique-of-pure-reason:0032 | kant-critique-of-pure-reason:0034 | 407 | |||
Judgements of experience, as such, are always synthetical. For it would
be absurd to think of grounding an analytical judgement on experience,
because in forming such a judgement I need not go out of the sphere of
my conceptions, and therefore recourse to the testimony of experience
is quite unnecessary. That “bodies a... | kant-critique-of-pure-reason:0034 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 34 | kant-critique-of-pure-reason:0033 | kant-critique-of-pure-reason:0035 | 416 | |||
But to synthetical judgements à priori, such aid is entirely wanting.
If I go out of and beyond the conception A, in order to recognize
another B as connected with it, what foundation have I to rest on,
whereby to render the synthesis possible? I have here no longer the
advantage of looking out in the sphere of experie... | kant-critique-of-pure-reason:0035 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 35 | kant-critique-of-pure-reason:0034 | kant-critique-of-pure-reason:0036 | 396 | |||
V. In all Theoretical Sciences of Reason, Synthetical Judgements “à
priori” are contained as Principles. | kant-critique-of-pure-reason:0036 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 36 | kant-critique-of-pure-reason:0035 | kant-critique-of-pure-reason:0037 | 26 | micro | ||
1. Mathematical judgements are always synthetical. Hitherto this fact,
though incontestably true and very important in its consequences, seems
to have escaped the analysts of the human mind, nay, to be in complete
opposition to all their conjectures. For as it was found that
mathematical conclusions all proceed accordi... | kant-critique-of-pure-reason:0037 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 37 | kant-critique-of-pure-reason:0036 | kant-critique-of-pure-reason:0038 | 259 | |||
We might, indeed at first suppose that the proposition 7 + 5 = 12 is a
merely analytical proposition, following (according to the principle of
contradiction) from the conception of a sum of seven and five. But if
we regard it more narrowly, we find that our conception of the sum of
seven and five contains nothing more ... | kant-critique-of-pure-reason:0038 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 38 | kant-critique-of-pure-reason:0037 | kant-critique-of-pure-reason:0039 | 535 | |||
Some few principles preposited by geometricians are, indeed, really
analytical, and depend on the principle of contradiction. They serve,
however, like identical propositions, as links in the chain of method,
not as principles—for example, a = a, the whole is equal to itself, or
(a+b) —> a, the whole is greater than it... | kant-critique-of-pure-reason:0039 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 39 | kant-critique-of-pure-reason:0038 | kant-critique-of-pure-reason:0040 | 261 | |||
2. The science of natural philosophy (physics) contains in itself
synthetical judgements à priori, as principles. I shall adduce two
propositions. For instance, the proposition, “In all changes of the
material world, the quantity of matter remains unchanged”; or, that,
“In all communication of motion, action and reacti... | kant-critique-of-pure-reason:0040 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 40 | kant-critique-of-pure-reason:0039 | kant-critique-of-pure-reason:0041 | 215 | |||
3. As to metaphysics, even if we look upon it merely as an attempted
science, yet, from the nature of human reason, an indispensable one, we
find that it must contain synthetical propositions à priori. It is not
merely the duty of metaphysics to dissect, and thereby analytically to
illustrate the conceptions which we f... | kant-critique-of-pure-reason:0041 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 41 | kant-critique-of-pure-reason:0040 | kant-critique-of-pure-reason:0042 | 196 | |||
VI. The Universal Problem of Pure Reason.
It is extremely advantageous to be able to bring a number of
investigations under the formula of a single problem. For in this
manner, we not only facilitate our own labour, inasmuch as we define it
clearly to ourselves, but also render it more easy for others to decide
whethe... | kant-critique-of-pure-reason:0042 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 42 | kant-critique-of-pure-reason:0041 | kant-critique-of-pure-reason:0043 | 743 | |||
Yet, in a certain sense, this kind of knowledge must unquestionably be
looked upon as given; in other words, metaphysics must be considered as
really existing, if not as a science, nevertheless as a natural
disposition of the human mind (metaphysica naturalis). For human
reason, without any instigations imputable to th... | kant-critique-of-pure-reason:0043 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 43 | kant-critique-of-pure-reason:0042 | kant-critique-of-pure-reason:0044 | 641 | |||
We may and must, therefore, regard the attempts hitherto made to
establish metaphysical science dogmatically as non-existent. For what
of analysis, that is, mere dissection of conceptions, is contained in
one or other, is not the aim of, but only a preparation for metaphysics
proper, which has for its object the extens... | kant-critique-of-pure-reason:0044 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 44 | kant-critique-of-pure-reason:0043 | kant-critique-of-pure-reason:0045 | 303 | |||
VII. Idea and Division of a Particular Science, under the Name of a
Critique of Pure Reason. | kant-critique-of-pure-reason:0045 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 45 | kant-critique-of-pure-reason:0044 | kant-critique-of-pure-reason:0046 | 24 | micro | ||
From all that has been said, there results the idea of a particular
science, which may be called the Critique of Pure Reason.
For reason is
the faculty which furnishes us with the principles of knowledge à
priori.
Hence, pure reason is the faculty which contains the principles
of cognizing anything absolutely à prior... | kant-critique-of-pure-reason:0046 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 46 | kant-critique-of-pure-reason:0045 | kant-critique-of-pure-reason:0047 | 751 | |||
Only when we make this critique our foundation, do we possess a pure
touchstone for estimating the philosophical value of ancient and modern
writings on this subject; and without this criterion, the incompetent
historian or judge decides upon and corrects the groundless assertions
of others with his own, which have the... | kant-critique-of-pure-reason:0047 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 47 | kant-critique-of-pure-reason:0046 | kant-critique-of-pure-reason:0048 | 71 | |||
Transcendental philosophy is the idea of a science, for which the
Critique of Pure Reason must sketch the whole plan architectonically,
that is, from principles, with a full guarantee for the validity and
stability of all the parts which enter into the building. It is the
system of all the principles of pure reason. If... | kant-critique-of-pure-reason:0048 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 48 | kant-critique-of-pure-reason:0047 | kant-critique-of-pure-reason:0049 | 653 | |||
If we wish to divide this science from the universal point of view of a
science in general, it ought to comprehend, first, a Doctrine of the
Elements, and, secondly, a Doctrine of the Method of pure reason. Each
of these main divisions will have its subdivisions, the separate
reasons for which we cannot here particular... | kant-critique-of-pure-reason:0049 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 49 | kant-critique-of-pure-reason:0048 | kant-critique-of-pure-reason:0050 | 216 | |||
I. TRANSCENDENTAL DOCTRINE OF ELEMENTS.
FIRST PART. TRANSCENDENTAL ÆSTHETIC.
§ I. Introductory.
In whatsoever mode, or by whatsoever means, our knowledge may relate to
objects, it is at least quite clear that the only manner in which it
immediately relates to them is by means of an intuition. To this as the
indispen... | kant-critique-of-pure-reason:0050 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 50 | kant-critique-of-pure-reason:0049 | kant-critique-of-pure-reason:0051 | 700 | |||
[10] The Germans are the only people who at present use this word to
indicate what others call the critique of taste. At the foundation of
this term lies the disappointed hope, which the eminent analyst,
Baumgarten, conceived, of subjecting the criticism of the beautiful to
principles of reason, and so of elevating... | kant-critique-of-pure-reason:0051 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 51 | kant-critique-of-pure-reason:0050 | kant-critique-of-pure-reason:0052 | 742 | |||
1. Space is not a conception which has been derived from outward
experiences. For, in order that certain sensations may relate to
something without me (that is, to something which occupies a different
part of space from that in which I am); in like manner, in order that I
may represent them not merely as without, of, a... | kant-critique-of-pure-reason:0052 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 52 | kant-critique-of-pure-reason:0051 | kant-critique-of-pure-reason:0053 | 137 | |||
2. Space then is a necessary representation à priori, which serves for
the foundation of all external intuitions. We never can imagine or make
a representation to ourselves of the non-existence of space, though we
may easily enough think that no objects are found in it. It must,
therefore, be considered as the conditio... | kant-critique-of-pure-reason:0053 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 53 | kant-critique-of-pure-reason:0052 | kant-critique-of-pure-reason:0054 | 109 | |||
3. Space is no discursive, or as we say, general conception of the
relations of things, but a pure intuition. For, in the first place, we
can only represent to ourselves one space, and, when we talk of divers
spaces, we mean only parts of one and the same space. Moreover, these
parts cannot antecede this one all-embrac... | kant-critique-of-pure-reason:0054 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 54 | kant-critique-of-pure-reason:0053 | kant-critique-of-pure-reason:0055 | 229 | |||
4. Space is represented as an infinite given quantity. Now every
conception must indeed be considered as a representation which is
contained in an infinite multitude of different possible
representations, which, therefore, comprises these under itself; but no
conception, as such, can be so conceived, as if it contained... | kant-critique-of-pure-reason:0055 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 55 | kant-critique-of-pure-reason:0054 | kant-critique-of-pure-reason:0056 | 683 | |||
(b) Space is nothing else than the form of all phenomena of the
external sense, that is, the subjective condition of the sensibility,
under which alone external intuition is possible. Now, because the
receptivity or capacity of the subject to be affected by objects
necessarily antecedes all intuitions of these objects,... | kant-critique-of-pure-reason:0056 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 56 | kant-critique-of-pure-reason:0055 | kant-critique-of-pure-reason:0057 | 678 | |||
But, with the exception of space, there is no representation,
subjective and referring to something external to us, which could be
called objective à priori. For there are no other subjective
representations from which we can deduce synthetical propositions à
priori, as we can from the intuition of space. (See § 3.) Th... | kant-critique-of-pure-reason:0057 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 57 | kant-critique-of-pure-reason:0056 | kant-critique-of-pure-reason:0058 | 472 | |||
1. Time is not an empirical conception. For neither coexistence nor
succession would be perceived by us, if the representation of time did
not exist as a foundation à priori. Without this presupposition we
could not represent to ourselves that things exist together at one and
the same time, or at different times, that ... | kant-critique-of-pure-reason:0058 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 58 | kant-critique-of-pure-reason:0057 | kant-critique-of-pure-reason:0059 | 79 | |||
2. Time is a necessary representation, lying at the foundation of all
our intuitions. With regard to phenomena in general, we cannot think
away time from them, and represent them to ourselves as out of and
unconnected with time, but we can quite well represent to ourselves
time void of phenomena. Time is therefore give... | kant-critique-of-pure-reason:0059 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 59 | kant-critique-of-pure-reason:0058 | kant-critique-of-pure-reason:0060 | 114 | |||
3. On this necessity à priori is also founded the possibility of
apodeictic principles of the relations of time, or axioms of time in
general, such as: “Time has only one dimension,” “Different times are
not coexistent but successive” (as different spaces are not successive
but coexistent). These principles cannot be d... | kant-critique-of-pure-reason:0060 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 60 | kant-critique-of-pure-reason:0059 | kant-critique-of-pure-reason:0061 | 149 | |||
4. Time is not a discursive, or as it is called, general conception,
but a pure form of the sensuous intuition. Different times are merely
parts of one and the same time. But the representation which can only
be given by a single object is an intuition. Besides, the proposition
that different times cannot be coexistent... | kant-critique-of-pure-reason:0061 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 61 | kant-critique-of-pure-reason:0060 | kant-critique-of-pure-reason:0062 | 113 | |||
5. The infinity of time signifies nothing more than that every
determined quantity of time is possible only through limitations of one
time lying at the foundation. Consequently, the original
representation, time, must be given as unlimited. But as the
determinate representation of the parts of time and of every quanti... | kant-critique-of-pure-reason:0062 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 62 | kant-critique-of-pure-reason:0061 | kant-critique-of-pure-reason:0063 | 752 | |||
(c) Time is the formal condition à priori of all phenomena whatsoever.
Space, as the pure form of external intuition, is limited as a
condition à priori to external phenomena alone. On the other hand,
because all representations, whether they have or have not external
things for their objects, still in themselves, as d... | kant-critique-of-pure-reason:0063 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 63 | kant-critique-of-pure-reason:0062 | kant-critique-of-pure-reason:0064 | 511 | |||
What we have now set forth teaches, therefore, the empirical reality of
time; that is, its objective validity in reference to all objects which
can ever be presented to our senses. And as our intuition is always
sensuous, no object ever can be presented to us in experience, which
does not come under the conditions of t... | kant-critique-of-pure-reason:0064 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 64 | kant-critique-of-pure-reason:0063 | kant-critique-of-pure-reason:0065 | 714 | |||
[11] I can indeed say “my representations follow one another, or are
successive”; but this means only that we are conscious of them as in a
succession, that is, according to the form of the internal sense.
Time, therefore, is not a thing in itself, nor is it any objective
determination pertaining to, or inherent in... | kant-critique-of-pure-reason:0065 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 65 | kant-critique-of-pure-reason:0064 | kant-critique-of-pure-reason:0066 | 347 | |||
Time and space are, therefore, two sources of knowledge, from which, à
priori, various synthetical cognitions can be drawn. Of this we find a
striking example in the cognitions of space and its relations, which
form the foundation of pure mathematics. They are the two pure forms of
all intuitions, and thereby make synt... | kant-critique-of-pure-reason:0066 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 66 | kant-critique-of-pure-reason:0065 | kant-critique-of-pure-reason:0067 | 745 | |||
In conclusion, that transcendental æsthetic cannot contain any more
than these two elements—space and time, is sufficiently obvious from
the fact that all other conceptions appertaining to sensibility, even
that of motion, which unites in itself both elements, presuppose
something empirical. Motion, for example, presup... | kant-critique-of-pure-reason:0067 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 67 | kant-critique-of-pure-reason:0066 | kant-critique-of-pure-reason:0068 | 201 | |||
I. In order to prevent any misunderstanding, it will be requisite, in
the first place, to recapitulate, as clearly as possible, what our
opinion is with respect to the fundamental nature of our sensuous
cognition in general. We have intended, then, to say that all our
intuition is nothing but the representation of phen... | kant-critique-of-pure-reason:0068 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 68 | kant-critique-of-pure-reason:0067 | kant-critique-of-pure-reason:0069 | 492 | |||
To say, then, that all our sensibility is nothing but the confused
representation of things containing exclusively that which belongs to
them as things in themselves, and this under an accumulation of
characteristic marks and partial representations which we cannot
distinguish in consciousness, is a falsification of th... | kant-critique-of-pure-reason:0069 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 69 | kant-critique-of-pure-reason:0068 | kant-critique-of-pure-reason:0070 | 518 | |||
In phenomena, we commonly, indeed, distinguish that which essentially
belongs to the intuition of them, and is valid for the sensuous faculty
of every human being, from that which belongs to the same intuition
accidentally, as valid not for the sensuous faculty in general, but for
a particular state or organization of ... | kant-critique-of-pure-reason:0070 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 70 | kant-critique-of-pure-reason:0069 | kant-critique-of-pure-reason:0071 | 678 | |||
There is no other way than through intuitions or conceptions, as such;
and these are given either à priori or à posteriori. The latter,
namely, empirical conceptions, together with the empirical intuition on
which they are founded, cannot afford any synthetical proposition,
except such as is itself also empirical, that... | kant-critique-of-pure-reason:0071 | Immanuel Kant | kant-critique-of-pure-reason | structured | Critical Philosophy | Enlightenment | philosophy | false | false | 71 | kant-critique-of-pure-reason:0070 | kant-critique-of-pure-reason:0072 | 732 |
End of preview. Expand in Data Studio
Athena Corpus
Pre-built data for Athena, a semantic search engine for philosophy, literature, religion, and intellectual history.
Contents
| File | Size | Description |
|---|---|---|
chunks.parquet |
610 MB | 727k passages with text + metadata (author, work, tradition, era, genre, chapter, etc.) |
embeddings_bf16.npy |
1.1 GB | 727k x 768 float16 vectors, L2-normalized (jina-embeddings-v5-text-nano) |
text/ |
1.6 GB | 5,012 cleaned source texts (plain text, one file per work) |
Rows in chunks.parquet and embeddings_bf16.npy are aligned by index -- row 0 in the parquet corresponds to row 0 in the embedding matrix.
Corpus scale
- 4,980 works from 2,310 authors across 336 intellectual traditions
- 727k chunks (~640-768 tokens each)
- Spans ancient philosophy, sacred texts, literature, poetry, political theory, science, and more
- All texts are public domain
Usage
With Athena (full search server)
git clone https://github.com/tsangha/athena.git && cd athena
uv venv --python 3.11 && source .venv/bin/activate && uv pip install -e .
# Download this dataset
pip install huggingface_hub
hf download tsanghasona/athena-corpus --repo-type dataset --local-dir data/
# Export query encoder model
pip install torch transformers onnxsim
python embedder-rs/scripts/export_onnx.py --output-dir model/
python -m onnxsim model/model.onnx model/model_simplified.onnx
# Start server
uv run python -m uvicorn server.main:app --port 3003
Standalone (just the data)
import polars as pl
import numpy as np
# Load chunks with metadata and text
df = pl.read_parquet("chunks.parquet")
print(df.columns)
# ['text', 'chunk_id', 'author', 'work', 'text_type', 'tradition',
# 'era', 'genre', 'chapter', 'poem_title', 'chunk_index', ...]
# Load embeddings (memory-mapped for large files)
embeddings = np.load("embeddings_bf16.npy", mmap_mode="r")
print(embeddings.shape) # (726986, 768)
print(embeddings.dtype) # float16
Embedding model
Embeddings were generated with jina-embeddings-v5-text-nano:
- 768 dimensions, float16, L2-normalized
- Asymmetric: document chunks use the default prefix; queries should use
"Query: "prefix - Generated with Athena's Rust embedder (see repo for source)
Chunking
Texts are split into ~640-768 token passages using strategy-appropriate chunking:
| Strategy | Used for | Examples |
|---|---|---|
structured |
Numbered sections | Spinoza's Ethics, Aquinas's Summa |
discursive |
Flowing prose | Nietzsche, Plato's dialogues |
literary |
Chapter-aware paragraph merge | Dostoevsky, Homer, Tolstoy |
poetic |
Poem-boundary detection | Browning, Yeats, Heine |
annotation |
Markdown header split | Academic notes |
The text_type column in the parquet indicates which strategy was used for each chunk.
License
MIT -- see the Athena repo for details.
All source texts are public domain.
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