Category (Kant)

{{Short description|Pure concept of the understanding in Kantianism}} {{Immanuel Kant}}

In Immanuel Kant's philosophy, a '''category''' ({{langx|de|Categorie}} in the original or ''Kategorie'' in modern German) is a pure concept of the understanding (''Verstand''). A Kantian category is a characteristic of the appearance of any object in general, before it has been experienced (''a priori''). Following Aristotle, Kant uses the term ''categories'' to describe the "pure concepts of the understanding, which apply to objects of intuition in general ''a priori''…"<ref>Kant, Immanuel, ''Critique of Pure Reason'', A 79 (''reine Verstandesbegriffe, welche a priori auf Gegenstände der Anschauung überhaupt gehen'')</ref> Kant further wrote about the categories: "They are concepts of an object in general, by means of which its intuition is regarded as determined with regard to one of the logical functions for judgments."<ref>Kant, Immanuel, ''Critique of Pure Reason'', B129 (''Sie sind Begriffe von einem Gegenstande überhaupt, dadurch dessen Anschauung in Ansehung einer der logischen Funktionen zu Urteilen als bestimmt angesehen wird.'')</ref> The categories are the condition of the possibility of objects in general,<ref>Kant, Immanuel, ''Critique of Pure Reason'', A 139</ref> not specific objects in particular. Kant enumerated twelve distinct but thematically related categories.

== Meaning of "category" ==

The word comes from the Greek κατηγορία, ''katēgoria'', meaning "that which can be said, predicated, or publicly declared and asserted, about something." A category is an attribute, property, quality, or characteristic that can be predicated of a thing. "…I remark concerning the categories…that their logical employment consists in their use as predicates of objects."<ref>Letter from Beck to Kant, June 20, 1797</ref> Kant called them "ontological predicates."<ref>Kant, Immanuel, ''Critique of Judgement'', Introduction, V</ref>

A category is that which can be said of everything in general, that is, of anything that is an object. John Stuart Mill wrote: "The Categories, or Predicaments—the former a Greek word, the latter its literal translation in the Latin language—were believed to be an enumeration of all things capable of being named, an enumeration by the ''summa genera'' (highest kind), i.e., the most extensive classes into which things could be distributed, which, therefore, were so many highest Predicates, one or other of which was supposed capable of being affirmed with truth of every nameable thing whatsoever."<ref>Mill, John Stuart, ''A System of Logic'', I, 3, §1</ref>

Aristotle had claimed that the following ten predicates or categories could be asserted of anything in general: substance, quantity, quality, relation, action, affection (passivity), place, time (date), position, and state. These are supposed to be the qualities or attributes that can be affirmed of each and every thing in experience. Any particular object that exists in thought must have been able to have the Categories attributed to it as possible predicates because the Categories are the properties, qualities, or characteristics of any possible object in general. The Categories of Aristotle and Kant are the general properties that belong to all things without expressing the peculiar nature of any particular thing. Kant appreciated Aristotle's effort, but said that his table was imperfect because " … as he had no guiding principle, he merely picked them up as they occurred to him..."<ref>Kant, Immanuel, ''Critique of Pure Reason'', A 81</ref>

The Categories do not provide knowledge of individual, particular objects. Any object, however, must have Categories as its characteristics if it is to be an object of experience. It is presupposed or assumed that anything that is a specific object must possess Categories as its properties because Categories are predicates of an object in general. An object in general does not have all of the Categories as predicates at one time. For example, a general object cannot have the qualitative Categories of reality and negation at the same time. Similarly, an object in general cannot have both unity and plurality as quantitative predicates at once. The Categories of Modality exclude each other. Therefore, a general object cannot simultaneously have the Categories of possibility/impossibility and existence/non–existence as qualities.

Since the Categories are a list of that which can be said of every object, they are related only to human language. In making a verbal statement about an object, a speaker makes a judgment. A general object, that is, every object, has attributes that are contained in Kant's list of Categories. In a judgment, or verbal statement, the Categories are the predicates that can be asserted of every object and all objects.

In the ''Critique of Practical Reason'', Kant noted that these are indeed "the categories of physical nature" and proposed a separate twelve items that he called "Categories of Freedom relatively to the Notions of Good and Evil". Their grouping in a table mimicked strictly the earlier exposition.<ref>Kant I., ''Critique of Practical Reason'', Part 1, Book 1, chapter 2</ref>

==The table of judgments== Kant believed that the ability of the human '''understanding''' (German: ''Verstand'', Greek: ''dianoia'' "διάνοια", Latin: ratio) to think about and know an object is the same as the making of a spoken or written judgment about an object. According to him, "Our ability to judge is equivalent to our ability to think."<ref>Kant, Immanuel, ''Critique of Pure Reason'', A 80</ref> A judgment is the thought that a thing is known to have a certain quality or attribute. For example, the sentence "The rose is red" is a judgment. Kant created a table of the forms of such judgments as they relate to all objects in general.<ref>Kant, Immanuel, ''Critique of Pure Reason'', A 71</ref>

{| class="wikitable" style="text-align:center" |+ Table of Judgments |- ! Category !! colspan="3" style="text-align: center;" | Judgments |- ! Quantity | Universal|| Particular|| Singular |- ! Quality | Affirmative|| Negative|| Infinite |- ! Relation | Categorical|| Hypothetical|| Disjunctive |- ! Modality | Problematical|| Assertoric|| Apodictic |- |}

This table of judgments was used by Kant as a model for the table of categories. Taken together, these twelvefold tables constitute the formal structure for Kant's architectonic conception of his philosophical system.<ref>Stephen Palmquist, "The Architectonic Form of Kant's Copernican Logic", ''Metaphilosophy'' 17:4 (October 1986), pp. 266–88; revised and reprinted as Chapter III of Stephen Palmquist, [http://www.hkbu.edu.hk/~ppp/ksp1 ''Kant's System of Perspectives'']: ''An architectonic interpretation of the Critical philosophy'' (Lanham: University Press of America, 1993).</ref>

==The table of categories== {| class="wikitable" style="text-align:center" |+ Table of Categories |- ! Category !! colspan="3" style="text-align: center;" | Categories |- ! Quantity | Unity|| Plurality|| Totality |- ! Quality | Reality|| Negation|| Limitation |- ! Relation | Inherence and Subsistence (substance and accident)|| Causality and Dependence (cause and effect)|| Community (reciprocity) |- ! Modality | Possibility / Impossibility|| Existence / Non-existence|| Necessity / Contingency |- |}

==Schemata== Categories are entirely different from the appearances of objects. According to Kant, in order to relate to specific phenomena, categories must be "applied" through time. The way that this is done is called a schema.

==Notes== {{Reflist}}

==Bibliography== *Kant, Immanuel, ''Critique of Pure Reason'', Hackett, 1996, {{ISBN|0-87220-257-7}} *Mill, John Stuart, ''A System of Logic'', University Press of the Pacific, 2002, {{ISBN|1-4102-0252-6}} *Palmquist, Stephen, [http://www.hkbu.edu.hk/~ppp/ksp1 ''Kant's System of Perspectives'']: ''An architectonic interpretation of the Critical philosophy'', University Press of America, 1993. {{ISBN|0-8191-8927-8}} *Zweig, Arnulf, edited by, ''Kant: Philosophical Correspondence 1759–99'', University of Chicago Press, 1967

Category:Kantianism Category:Philosophical categories Category:Concepts in epistemology

Category (Kant)

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