Pure intuition is the theoretic form of Art (or of _Poetry,_ if we wish to extend to the whole of æsthetic production the name given to a group of works of art); and art cannot be otherwise defined than as pure intuition. The thinking of the pure concept, of the concept as itself, of the universal that is truly universal and not mere generality or abstraction, is _Philosophy,_ and Philosophy cannot be otherwise defined than as the thinking, or the conceiving of the pure concept. And since the pure concept can be expressed either in the form of definition or in that of individual judgment, there corresponds to this duplication the distinction of the two forms of knowing, _Philosophy in the strict sense, and History._ The method of treatment called _empirical Science or natural Science,_ or most commonly in our time, _Science,_ is composed of those pseudoconcepts known as representative or empirical or classificatory. The mathematical Sciences are composed of abstract, enumerative and mensurative pseudoconcepts, and the application of the second of these, by means of the first, to individual judgments, is nothing else than what is called the _mathematical Science of nature._ [Sidenote: _Critique of the idea of a special Logic as doctrine of the forms of knowledge,_] It is usual for the treatment of the forms of knowledge to be presented in the majority of treatises as a _special_ or _applied Logic_; following _general_ or _pure Logic,_ which has for its object the specific forms of acquaintance alone, or as it is significantly expressed, the _elementary_ forms of acquaintance. But we cannot admit the existence of such a Logic, for the reasons already given. The elementary or fundamental forms are the only forms philosophically conceivable and really existing, and the whole of logical Science is exhausted in them. There is no duality of grades for logical Science any more than for Philosophy in general. And as no special Æsthetic exists independent of general Æsthetic, no special Ethic and Economic independent of general Economic, so there is not a _general_ Logic alongside of a _special_ Logic. [Sidenote: _and as doctrine of methods._]