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Now the judgement of taste is applied to objects of Sense, but not with a view of determining a concept of them for the Understanding; for it is not a cognitive judgement. It is thus only a private judgement, in which a singular representation intuitively perceived is referred to the feeling of pleasure; and so far would be limited as regards its validity to the individual judging. The object is for me an object of satisfaction; by others it may be regarded quite differently—every one has his own taste.
Nevertheless there is undoubtedly contained in the judgement of taste a wider reference of the representation of the Object (as well as of the subject), whereon we base an extension of judgements of this kind as necessary for every one. At the basis of this there must necessarily be a concept somewhere; though a concept which cannot be determined through intuition. But through a concept of this sort we know nothing, and consequently it can supply no proof for the judgement of taste.233 Such a concept is the mere pure rational concept of the supersensible which underlies the object (and also the subject judging it), regarded as an Object of sense and thus as phenomenon.100 For if we do not admit such a reference, the claim of the judgement of taste to universal validity would not hold good. If the concept on which it is based were only a mere confused concept of the Understanding, like that of perfection, with which we could bring the sensible intuition of the Beautiful into correspondence, it would be at least possible in itself to base the judgement of taste on proofs; which contradicts the thesis.
But all contradiction disappears if I say: the judgement of taste is based on a concept (viz. the concept of the general ground of the subjective purposiveness of nature for the Judgement); from which, however, nothing can be known and proved in respect of the Object, because it is in itself undeterminable and useless for knowledge. Yet at the same time and on that very account the judgement has validity for every one (though of course for each only as a singular judgement immediately accompanying his intuition); because its determining ground lies perhaps in the concept of that which may be regarded as the supersensible substrate of humanity.
The solution of an antinomy only depends on the possibility of showing that two apparently contradictory propositions do not contradict one another in fact, but that they may be consistent; although the explanation of the possibility of their concept may transcend our cognitive faculties. That this illusion is natural and unavoidable by human Reason, and234 also why it is so, and remains so, although it ceases to deceive after the analysis of the apparent contradiction, may be thus explained.
In the two contradictory judgements we take the concept, on which the universal validity of a judgement must be based, in the same sense; and yet we apply to it two opposite predicates. In the Thesis we mean that the judgement of taste is not based upon determinate concepts; and in the Antithesis that the judgement of taste is based upon a concept, but an indeterminate one (viz. of the supersensible substrate of phenomena). Between these two there is no contradiction.
We can do nothing more than remove this conflict between the claims and counter-claims of taste. It is absolutely impossible to give a definite objective principle of taste, in accordance with which its judgements could be derived, examined, and established; for then the judgement would not be one of taste at all. The subjective principle, viz. the indefinite Idea of the supersensible in us, can only be put forward as the sole key to the puzzle of this faculty whose sources are hidden from us: it can be made no further intelligible.
The proper concept of taste, that is of a merely reflective aesthetical Judgement, lies at the basis of the antinomy here exhibited and adjusted. Thus the two apparently contradictory principles are reconciled—both can be true; which is sufficient. If, on the other hand, we assume, as some do, pleasantness as the determining ground of taste (on account of the singularity of the representation which lies at the basis of the judgement of taste), or, as others will have it, the principle of perfection (on account of the universality of the same), and settle235 the definition of taste accordingly; then there arises an antinomy which it is absolutely impossible to adjust except by showing that both the contrary (though not contradictory) propositions are false. And this would prove that the concept on which they are based is self-contradictory. Hence we see that the removal of the antinomy of the aesthetical Judgement takes a course similar to that pursued by the Critique in the solution of the antinomies of pure theoretical Reason. And thus here, as also in the Critique of practical Reason, the antinomies force us against our will to look beyond the sensible and to seek in the supersensible the point of union for all our a priori faculties; because no other expedient is left to make our Reason harmonious with itself.
As we so often find occasion in Transcendental Philosophy for distinguishing Ideas from concepts of the Understanding, it may be of use to introduce technical terms to correspond to this distinction. I believe that no one will object if I propose some.—In the most universal signification of the word, Ideas are representations referred to an object, according to a certain (subjective or objective) principle, but so that they can never become a cognition of it. They are either referred to an intuition, according to a merely subjective principle of the mutual harmony of the cognitive powers (the Imagination and the Understanding), and they are then called aesthetical; or they are referred to a concept according to an objective principle, although they can never furnish a cognition of the object and are called rational Ideas. In the latter236 case the concept is a transcendent one, which is different from a concept of the Understanding, to which an adequately corresponding experience can always be supplied, and which therefore is called immanent.
An aesthetical Idea cannot become a cognition, because it is an intuition (of the Imagination) for which an adequate concept can never be found. A rational Idea can never become a cognition, because it involves a concept (of the supersensible), corresponding to which an intuition can never be given.
Now I believe we might call the aesthetical Idea an inexponible representation of the Imagination, and a rational Idea an indemonstrable concept of Reason. It is assumed of both that they are not generated without grounds, but (according to the above explanation of an Idea in general) in conformity with certain principles of the cognitive faculties to which they belong (subjective principles in the one case, objective in the other).
Concepts of the Understanding must, as such, always be demonstrable [if by demonstration we understand, as in anatomy, merely presentation];101 i.e. the object corresponding to them must always be capable of being given in intuition (pure or empirical); for thus alone could they become cognitions. The concept of magnitude can be given a priori in the intuition of space, e.g. of a right line, etc.; the concept of cause in impenetrability, in the collision of bodies, etc. Consequently both can be authenticated by means of an empirical intuition, i.e. the thought of them can be proved (demonstrated, verified) by an example; and this must be possible,237 for otherwise we should not be certain that the concept was not empty, i.e. devoid of any Object.
