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In Kantian philosophy, a transcendental schema (plural: ''schemata''; from grc-gre, σχῆμα, "form, shape, figure") is the procedural rule by which a
category Category, plural categories, may refer to: Philosophy and general uses *Categorization, categories in cognitive science, information science and generally *Category of being * ''Categories'' (Aristotle) *Category (Kant) *Categories (Peirce) *C ...
or pure, non-
empirical Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure. Empirical evidence is of central importance to the sciences and ...
concept Concepts are defined as abstract ideas. They are understood to be the fundamental building blocks of the concept behind principles, thoughts and beliefs. They play an important role in all aspects of cognition. As such, concepts are studied by sev ...
is associated with a sense impression. A private, subjective intuition is thereby discursively thought to be a representation of an external object. Transcendental schemata are supposedly produced by the imagination in relation to time.


Role in Kant's architectonic system

Kant created an architectonic system in which there is a progression of phases from the most formal to the most empirical: "Kant develops his system of corporeal nature in the following way. He starts in the ''
Critique Critique is a method of disciplined, systematic study of a written or oral discourse. Although critique is commonly understood as fault finding and negative judgment, Rodolphe Gasché (2007''The honor of thinking: critique, theory, philosophy' ...
'' with the most formal act of human
cognition Cognition refers to "the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses". It encompasses all aspects of intellectual functions and processes such as: perception, attention, though ...
, called by him the transcendental unity of apperception, and its various aspects, called the logical functions of judgment. He then proceeds to the pure
categories Category, plural categories, may refer to: Philosophy and general uses *Categorization, categories in cognitive science, information science and generally *Category of being * ''Categories'' (Aristotle) * Category (Kant) *Categories (Peirce) * ...
of the understanding, and then to the schematized categories, and finally to the transcendental principles of nature in general." It is within this system that the transcendental schemata are supposed to serve a crucial purpose. Many interpreters of Kant have emphasized the importance of the schematism.


Purpose of the schematism chapter

If pure concepts of the understanding (Kantian Categories) and sense perceptions are radically different from each other, what common quality allows them to relate? Kant wrote the chapter on Schematism in his '' Critique of Pure Reason'' to solve the problem of "...how we can ensure that categories have 'sense and significance.' " ''A posteriori'' concepts have sense when they are derived from a mental image that is based on experienced sense impressions. Kant's ''
a priori ("from the earlier") and ("from the later") are Latin phrases used in philosophy to distinguish types of knowledge, justification, or argument by their reliance on empirical evidence or experience. knowledge is independent from current ex ...
'' concepts, on the other hand, are alleged to have sense when they are derived from a non–experienced mental schema, trace, outline, sketch, monogram, or minimal image. This is similar to a
Euclid Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the ''Elements'' treatise, which established the foundations of ge ...
ean geometrical diagram. Whenever two things are totally different from each other, yet must interact, there must be some common characteristic that they share in order to somehow relate to one another. Kantian Categories, or ''a priori'' concepts, have, according to Kant, a basic and necessary importance for human knowledge, even though they are totally different from sensations. However, they must be connected in some way with sensed experience because "… an ''a priori'' concept which cannot, as it were, establish any empirical connections is a fraud … the purpose of the Schematism chapter was to show that the categories at least do have satisfactory empirical connections." Kant was preoccupied "with bridging the otherwise heterogeneous poles of 'thought' and 'sensation' in the Schematism of the Pure Concepts of the Understanding (A 138/B 177)."


Explication of the Kantian account of schemata


Three types of concept and their schemata

There are three types of concept that require a schema in order to connect them to phenomenal sense perceptions so that they have sense
inn Inns are generally establishments or buildings where travelers can seek lodging, and usually, food and drink. Inns are typically located in the country or along a highway; before the advent of motorized transportation they also provided accommo ...
and meaning edeutung These three types are (1) empirical concepts, (2) pure (mathematical) sensuous concepts, and (3) pure concepts of the understanding, or antianCategories. The first two employ schemata. The third employs transcendental schemata.


Empirical concepts

An empirical concept is the abstract thought of that which is common to several perceptions. When an empirical concept is said to contain an object, whatever is thought in the concept must be intuited in the mental representation of the object.''Critique of Pure Reason'', A 137 Examples of intuitive perceptions that are the content of
empirical Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure. Empirical evidence is of central importance to the sciences and ...
concept Concepts are defined as abstract ideas. They are understood to be the fundamental building blocks of the concept behind principles, thoughts and beliefs. They play an important role in all aspects of cognition. As such, concepts are studied by sev ...
s are vague images that are imagined in order to connect a concept with the
perception Perception () is the organization, identification, and interpretation of sensory information in order to represent and understand the presented information or environment. All perception involves signals that go through the nervous system ...
s from which it was derived as their common feature. "Intuitions," Kant wrote, "are always required to verify or demonstrate the reality of our concepts."''Critique of Judgment'', § 59 These examples ensure that "our abstract thinking has not strayed far from the safe ground of perception, and has possibly become somewhat high-flown or even a mere idle display of words." This is because "concepts are quite impossible, and are utterly without meaning or signification, unless an object is given for the concepts themselves, or at least for the elements of which they consist."''Critique of Pure Reason'', A 140 For example, "The concept of a dog signifies a rule according to which my imagination can trace, delineate, or draw a general outline, figure, or shape of a four-footed animal without being restricted to any single and particular shape supplied by experience."''Critique of Pure Reason'', A 141 In order to prevent the emptiness of "thoughts without contents,"''Critique of Pure Reason'', A 51 it is "necessary to make our concepts sensible, i.e., to add an object of intuition to them." In order to test whether a concept is sensible, we sometimes " … go back to perception only tentatively and for the moment, by calling up in imagination a perception corresponding to the concept that occupies us at the moment, a perception that can never be quite adequate to the (general) concept, but is a mere ''representative'' of it for the time being. … Kant calls a fleeting phantasm of this kind a ''schema.''"


Pure sensuous (mathematical) concepts

These are concepts that relate, prior to experience, to the external sense of space and the internal sense of time. As such, they are mathematical in that they refer to geometry and arithmetic. A pure, sensuous concept is the construction or mental drawing of what is common to several geometrical figures. These mathematical concepts are not based on objective visual images. They are based on schemata that exist only in thought. Any particular image could not be as general as the concept. The schemata are rules that allow the imagination to mentally construct or draw or trace a pure, general geometrical form that gives the pure, sensuous concept significance. "… possess the schema corresponding to the concept triangle is to be able to envisage the variety of things to which the word "triangle" applies."''The Encyclopedia of Philosophy'', Volume 3, "Kant, Immanuel" " e schema of sensuous concepts (such as of figures in space) is a product and, as it were, a monogram of the pure imagination ''a priori''. Images become possible only through the schema. But the images must always be connected with the concept only by means of the designated schema. Otherwise, the images can never be fully congruent to the general concept."''Critique of Pure Reason'', A 142


Pure concepts of the understanding (Categories)

A pure concept of the understanding, or category, is a characteristic, predicate, attribute, quality, or property of any possible object, that is, an object ''in general'' or ''as such''. These concepts are not abstractions of what is common to several perceived, particular, individual objects, as are empirical concepts. "Since the categories are ''a priori'' and are therefore not abstractions from sense perceptions, they owe their origin to the very nature of the mind itself."Ellington, James W., "The Unity of Kant's Thought in His Philosophy of Corporeal Nature," Part 3 They are not derived from perceptions of external objects, as are empirical concepts. Instead, they are the result of the way that the mind is constituted or formed. They come from within the mind, not from outside of the mind. Kant claimed that the schemata of pure, non-empirical concepts, or categories, provide a reference to intuition in a way similar to the manner of empirical concepts. "If the concepts are empirical, the intuitions are called ''examples''; if they are pure concepts of the understanding, the intuitions are called ''schemata''." In the same way that examples provide signification for empirical concepts, schemata help to answer the question of "whether operating with the categories is anything other than playing with words." Since the pure concepts of the understanding, or categories, are characteristics of all objects in general, they can never be associated with the image of any specific, particular, individual object. "Since they are pure, they cannot be pictures..." "Yet there must be some connection between the abstract idea and the experienced world to which the idea is expected to apply..." "In order for the pure categories to have objective validity (and not merely subjective validity) they must be related to sensibility."


=Applying pure concepts to sense impressions

= The categories, or pure concepts of the understanding, are ''a priori'' logical innate forms that are conditions of the possibility of things in general, or of things as such.''Critique of Pure Reason'', A 139 A thing can become a known object of thought when an ''
a posteriori ("from the earlier") and ("from the later") are Latin phrases used in philosophy to distinguish types of knowledge, justification, or argument by their reliance on empirical evidence or experience. knowledge is independent from current ex ...
'' sense impression is comprehended through the forms of the categories. Categories and sense impressions are totally different from each other. Categories are utterly heterogeneous with the perceptions that are experienced through the sense organs. In order for specific phenomena of
Nature Nature, in the broadest sense, is the physical world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are p ...
to be thought from the combination of categories (pure concepts) and sense perceptions, there must be a third, mediating procedure that connects them. This mediator is a transcendental schema. Transcendental schemata meaningfully join the empty "thoughts without content" and the blind "intuitions without concepts." Schemata that mediate between empirical (''a posteriori'') concepts or mathematical (pure sensuous) concepts and perceptions are similar to
adapter An adapter or adaptor is a device that converts attributes of one electrical device or system to those of an otherwise incompatible device or system. Some modify power or signal attributes, while others merely adapt the physical form of one co ...
s. Just as adapters are devices for fitting together incompatible parts, schemata connect empirical concepts with the perceptions from which they were derived. Schemata are rules for the production of images. As ''rules'', they are related to concepts. As ''image''–producers, they are related to perceptions. "While the concept belongs to the understanding and its instance to perception, the schema has, so to speak, a foot in either domain. As ''rules'' for the production of images the schemata … are linked to the understanding; as rules for the production of ''images'' they are linked to perception." The "adapter" simile is even more apt in the case of transcendental schemata. This is because pure concepts of the understanding (Categories) are totally unrelated to perceptions. The pure concepts or Categories are original constituent components of the understanding and are not derived from empirical sense perceptions.


=Transcendental schemata

= Transcendental schema are not related to empirical concepts or to mathematical concepts. These schemata connect pure concepts of the understanding, or categories, to the phenomenal appearance of objects in general, that is, objects as such, or all objects.


=Judgment

= Transcendental Schematism results from the ability to make judgments. Judgment applies "the concepts of the understanding he Categoriesto phenomena." " … e judgment … ''schematizes'' these concepts ''a priori'' and applies these schemata, without which no experiential judgment would be possible, to each empirical synthesis. … the transcendental schematism of judgment provides it udgmentwith a rule under which given empirical intuitions are to be subsumed." Kant defined the Greek word ''hypotyposis'' as a " … rendering perceptible to the senses, making sensual (Versinnlichung)." The usual definition is "example, pattern, outline, or sketch." If a hypotyposis is schematic, according to Kant, "...to a concept, which is comprehended by the understanding, the corresponding intuition is given ''a priori''..." This is in opposition to a symbolic hypotyposis, like God, in which the concept can only be thought by Reason and to which no sensible intuition can be adequate. Schemata contain direct presentations of the concept. They make this presentation demonstratively, not by the use of analogies. Judgment, according to Kant, works mechanically with given appearances and brings them under concepts. It does this as a tool that is utilized and controlled by both the understanding and the senses. To avoid possible mistakes in judgments one must conduct the transcendental reflection.


=Time

= The schematism of the pure understanding is "the sensuous condition imeunder which alone pure concepts of the understanding he Categoriescan be used." Categories, or pure concepts of the understanding, are abstract representations of objects in general. However, they can result in thought about particular, specific internal or external objects if they are related to time. All concepts are derived from perceptions, therefore pure concepts ategoriesare based on pure perceptions. The purest perception, or schema, is time. Time has the purest relation to sensation that is possible. It is the mere form of sensation because sensations must be felt in succession. Therefore, time was designated by Kant as the purest possible schema of a pure concept. All things are experienced in time, that is, in succession, one after another. This applies to our internal selves as well as to all external objects. Since categories are the forms through which every specific thing can be thought as being in time, categories are related to time. Thus, pure concepts, or categories, and phenomenal objects share time as a common feature. Therefore, time is the means by which an intuited phenomenon is subsumed under a pure concept. Schemata are transcendental time determinations. "Hence it will be possible for the category to be applied to appearances by means of the transcendental time determination, which, as the schema of the concepts of the understanding, mediates the subsumption of appearances under the category."


=Schemata are procedural rules, not images

= Because schemata are determinations of objects in general, not specific, individual objects, they are not particular images. Kant asserted that "… a schema must be distinguished from an image." A schema is a procedural rule. The rule prescribes the way to relate a pure concept to an object in general. Schemata are ways of applying pure concepts (categories) to sense impressions. They are prescriptions for graphically illustrating a pure concept. A schema is a method for representing a non-empirical concept in any image as such or any image in general. " … r Kant a schema is not an image, but a capacity to form images or (perhaps) to construct models." "The schema of a pure concept of the understanding is something which can never be made into an image..."
Lewis White Beck Lewis White Beck (September 26, 1913 – June 7, 1997) was an American philosopher and scholar of German philosophy. Beck was Burbank Professor of Intellectual and Moral Philosophy at the University of Rochester and served as the Philosophy ...
wrote, "The pure concepts of the understanding…are applied to the pure form of intuition (time) to give rise to the 'transcendental schemata' or rules of the application of pure concepts to whatever sense–impressions we receive." To exemplify this, he continued, "To take the most important example, we have the hypothetical (if–then) judgment, which is the mode of judgment under the ''category'' of cause. This is applied to phenomena in time by the ''schema'' of causation, namely, the rule that the cause of a phenomenon is another phenomenon that invariably precedes it in time…." In this way, Beck showed that a transcendental schema is the rule that leads to the understanding of successive n timesensations according to various pure concepts ant's "categories"


=Examples of different categories and their schemata

= Each category has one schema. Some schemas are shared by other categories in their class. * The categories of quantity all share the schema of number. Quantity is related to a numerical time series. William H.S. Monck claimed that Kant can be understood as saying "In apprehending an object I always successively add part to part, and thus generate a series of determinate magnitude."William H.S. Monck, ''Introduction to the Critical Philosophy'', p. 43. Unity is one moment in time. Plurality is several moments. Totality is expressed as all moments. But Monck noted that "Kant does not trace out specially the Schemata of the Categories of Unity, Plurality, and Totality." Monck supposed: "In the Category of Unity I presume we should stop at the first term of the Time–series: for the Category of Plurality we should represent the addition of unit to unit without laying down any determinate limit; and for the Category of Totality we should limit the number of units and complete the addition up to this number." * The categories of quality all have degrees of
reality Reality is the sum or aggregate of all that is real or existent within a system, as opposed to that which is only imaginary. The term is also used to refer to the ontological status of things, indicating their existence. In physical terms, rea ...
as their schema. Quality is related to the content of real being in time. Kant metaphorically explained the schema of quality as the filling up of time with a sensation. Monck paraphrased Kant as saying, "We may speak of time as being more completely filled when the sensation is more vivid, and less completely filled when the sensation is weaker. If the sensation is sufficiently vivid the present moment is so filled with it that it seems impossible to attend to, or even be conscious of any other sensation simultaneously; but when it becomes weaker we have leisure to perceive other sensations also.William H.S. Monck, ''Introduction to the Critical Philosophy'', p. 44. This occurs by degrees. "We can represent this filling as taking place by a gradual increase from zero (empty time) to any given degree of vividness, or by a similar descent from the sensation of the moment to zero." Reality is the experience of sensation in time. Negation is the absence of sensation in time. Limitation is the range of degrees, between the transition from full to empty, by which things are sensed in time. But Monck stated that "Again Kant does not here give in detail the Schemata of the Categories of Reality, Negation, and Limitation." He qualifiedly suggested that "In the first case eality we should, perhaps, represent the sensation as occupying the present moment to the exclusion of everything else; in the second egationthe sensation as entirely absent from the present moment; in the third
imitation Imitation (from Latin ''imitatio'', "a copying, imitation") is a behavior whereby an individual observes and replicates another's behavior. Imitation is also a form of that leads to the "development of traditions, and ultimately our culture. I ...
the sensation as occupying the present moment along with others. * "The Schema of the Category of Relation is the ''Order'' of Time." In the class of relation, each category has its own schema. Substance's schema is the permanence of the unchanging substance (subject) to which accidents (predicates) belong, or the permanence of the object in time.
Causality Causality (also referred to as causation, or cause and effect) is influence by which one event, process, state, or object (''a'' ''cause'') contributes to the production of another event, process, state, or object (an ''effect'') where the ca ...
's schema is the necessary succession of a consequent to an antecedent. That is, "… the Schema of the Category of Cause is its regular ''Antecedence'' in Time (i.e. ''Succession'' in Time determined by fixed law)."William H.S. Monck, ''Introduction to the Critical Philosophy'', p. 45. The category of community has the schema of the necessary coexistence of the accidents of one substance with the accidents of another substance. This communal interaction consists of the changing accidents of one substance having their cause in the changing accidents of another substance, and ''vice versa''. This can be understood as "… the ''Simultaneity'' of objects in Time." * "The Schema of the Category of Modality according to Kant is Time itself as related to the Existence of the object." In the class of modality, the category of
possibility Possibility is the condition or fact of being possible. Latin origins of the word hint at ability. Possibility may refer to: * Probability, the measure of the likelihood that an event will occur * Epistemic possibility, a topic in philosophy an ...
has the schema of possibility at any time. The schema of actual existence at a certain time belongs to the category of existence. Finally, the category of necessity has the schema of being an object at all times. Even though Kant provided these illustrations and examples of schemata, author John Mahaffy claimed that the topic remained obscure. He wrote, "I may add, that these illustrations of the various schemata are developed and explained by the succeeding chapters on the Principles which embody them, and that it is impossible to make them clear to the reader until he has studied the theory of the Principles."


=Schematized and unschematized categories

= The schemata give the categories a "cash value",Walsh, W.H., "Schematism" as though the category is like paper money and sense experience is analogous to precious metal. A schema is the agreement or harmony of a category with sensual phenomena. For example, "Number is the quantity of the phenomenon; sensation is the reality of the phenomenon; the permanence and endurance of things is the substance of the phenomenon, eternity is the necessity of the phenomenon, etc."''Critique of Pure Reason'', A 146 In this way, the schemata restrict the categories to conditions of sensibility. "Schematism and the schemas thus have the property of 'realizing' the categories at the same time as restricting their scope to appearances." Categories cannot be realized in objects that are not detectable by the senses, that is, are not phenomenal objects (objects that appear to an observer). "The schemata of the pure concepts of the understanding are, therefore, the true and sole conditions for providing these concepts with a reference to objects and hence with signification. And therefore the categories have, in the end, no other use than a possible empirical one." In order for categories to refer to perceived, experienced objects, they must be schematized. If a category is not schematized, then it has no reference to perception. An unschematized category can be thought, but can not be known. If something can never be perceived, it can never be known. Schemata represent things in general as they appear, not as they might otherwise exist. "Categories, therefore, without schemata are only functions of the understanding necessary for concepts, but do not themselves represent any object." This act results in the formation of one abstract concept from various perceptions or other concepts. With the transcendental determination of time as the transcendental schema, " … use of the categories is clearly restricted to the range of things that fall within time — meaning, for Kant, restricted to phenomena." Metaphysical entities that are not related to time, such as spontaneous or uncaused movements, immortal souls, and eternal gods, are products of unschematized categories. They can be thought, but not known.


=Unschematized concepts

= Two kinds of concepts do not use schemata in order to exhibit their empirical bases: rational concepts (ideas of reason), and Platonic Ideas. With these concepts or ideas, there is no intermediate nexus between abstract entity and concrete sense perception. These unschematized concepts do not contain or subsume a representation of an object that is the basis of a concept. Kant listed three rational concepts or ideas of reason: God, freedom, and immortality. They are not found in experience. “… e difficulty about ideas of reason is that ‘absolutely no intuition commensurate with these can be given’ (''
Critique of Judgment The ''Critique of Judgment'' (german: Kritik der Urteilskraft), also translated as the ''Critique of the Power of Judgment'', is a 1790 book by the German philosopher Immanuel Kant. Sometimes referred to as the "third critique," the ''Critique o ...
'', § 59).” “To make sense of such ideas we must accordingly have recourse to an alternative procedure, in which use is made of ‘symbols’ as opposed to schemata proper. What happens here is…that we find some empirically intuitable situation which can serve as a model by reference to which the idea can be made comprehensible.” For example, Kant tried to show how sense can be made of the idea of an unseen God “by making a oving or angryfather’s relationship to his children the etaphorical, figurativesymbol of God’s relationship to the world.” The rational idea of a non-deterministic occurrence can be spoken of in reference to the analogies of the universe as a mechanism uch as a clockor organism. Thus, while pure concepts of understanding, empirical, and pure sensible concepts are directly exhibited and made sensible through schemata, ideas of reason are indirectly exhibited through relations by the use of symbolic analogy. Professor
W. H. Walsh William Henry Walsh (; 10 December 1913 – 7 April 1986) was a 20th-century British philosopher and classicist. He was an expert on Immanuel Kant. Life Walsh was born in Leeds on 10 December 1913, the son of Fred Walsh and his wife May Steph ...
attempted to explain how schemata are used to make sense of, or exhibit, the twelve Kantian categories (pure concepts of the understanding) while symbolic analogous relationships are used for the three rational concepts (ideas of reason). "It may be useful in this connection to compare what Kant says about the schematization, or quasi-schematization, of ideas of reason with what he says about the schematization of categories. The problem in the two cases is in essentials identical: how to make a concrete use of concepts which are by nature remote from sense. To show that such a use is possible we need, in Kant’s technical terminology, to find intuitions corresponding to them. In the case of pure concepts of the understanding this can be done, since we can point to the appropriate schemata; the difficulty about ideas of reason is just that 'absolutely no intuition commensurate with them can be given' (''
Critique of Judgment The ''Critique of Judgment'' (german: Kritik der Urteilskraft), also translated as the ''Critique of the Power of Judgment'', is a 1790 book by the German philosopher Immanuel Kant. Sometimes referred to as the "third critique," the ''Critique o ...
'', §59). To make sense of such ideas f reasonwe must accordingly have recourse to an alternative procedure, in which use is made of ‘symbols’ as opposed to schemata proper. What happens here is, roughly, that we find some empirically intuitable situation which can serve as a model by reference to which the idea f reasoncan be made comprehensible. The idea of God, for example, is incapable of being schematized, but we can nevertheless make partial sense of it for certain purposes by making a father’s relationship to his children the symbol of God’s relationship to the world....What is noteworthy in this discussion…is…the sharp contrast drawn between schema and symbol, and hence between the meaningfulness of categories and that of ideas f reason��.every concept capable of schematization…seems to allow that the relationship between idea f reasonand symbol is altogether less intimate: symbolizing is a relatively arbitrary process, and hence each idea f reasoncan be symbolized in a variety of ways.." A category has one transcendental schema; an idea of reason can have multiple symbols for its analogy. Plato’s
Ideas In common usage and in philosophy, ideas are the results of thought. Also in philosophy, ideas can also be mental representational images of some object. Many philosophers have considered ideas to be a fundamental ontological category of being. ...
(also known as notions, forms, paradigms, or archetypes) are concepts that function as patterns or models. They are related to objects in the experienced world Ideas are related to natural objects or their perceptual representations by the processes of participating, partaking, and copying. “The particular objects which we perceive are imperfect copies or reflections of the eternal patterns.”


=Link to the

Unconscious Unconscious may refer to: Physiology * Unconsciousness, the lack of consciousness or responsiveness to people and other environmental stimuli Psychology * Unconscious mind, the mind operating well outside the attention of the conscious mind a ...

= In
von Hartmann Karl Robert Eduard von Hartmann, was a German philosopher, independent scholar and author of '' Philosophy of the Unconscious'' (1869). His notable ideas include the theory of the Unconscious and a pessimistic interpretation of the "best of all ...
’s '' Philosophy of the Unconscious'' he declared that Kantian Transcendental Schemata connect unconscious Categories to conscious knowledge. Kant’s Pure Concepts of the Understanding, or Categories, are unconscious representations or ideas that lie beyond knowledge. According to von Hartmann, these unconscious Categories produce conscious knowledge through the mediation of the Schemata of the Pure Understanding.


Alternative schemata

Kant said that the schema of a concept is the representation of a general procedure of the imagination by which an image can be supplied for a concept. Kant claimed that time is the only proper and appropriate transcendental schema because it shares the ''a priori'' category's generality and purity as well as any ''a posteriori'' phenomenon's manner of appearance. However, it may be true that time is not the only possible schema.


Space

"Even more remarkable, however, is the fact that in order to understand the possibility of things as consequent upon the categories, and hence in order to establish the categories' ''objective reality'', we need not merely intuitions but indeed always ''outer intuitions''." Since space is the form of all appearances of the outer senses, it may seem that space could serve as a schema. Indeed, any phenomenon that requires space, as well as time, as a form would also need a spatial schema. "This suggests that he may have thought at one point of recasting the Schematism argument in a fundamental way, by substituting space for time; but if he had this idea, he did not carry it out." In the editor's introduction to his translation of the Critique, Paul Guyer asserted that "…although the content of the transcendental schemata for the categories may be explicated in purely temporal terms, the ''use'' of these schemata in turn depends upon judgments about the ''spatial'' properties and relations of at least some objects of empirical judgment." Guyer claimed that this declaration was clarified in Kant's "The System of All Principles" section. In this way, the use of schemata is supposed to involve both space and time, instead of merely time.
Norman Kemp Smith Norman Duncan Kemp Smith, FBA, FRSE (5 May 1872 – 3 September 1958) was a Scottish philosopher who was Professor of Psychology (1906–1914) and Philosophy (1914–1919) at Princeton University and was Professor of Logic and Metaphysics at th ...
claimed that there is apparently no good reason why Kant did not consider space to also be a transcendental schema for his Categories. Kemp Smith argued that consciousness of space is as fundamental as that of time. He concluded that "…Kant’s concentration on the temporal aspect of experience is exceedingly arbitrary…." and therefore without reason. Experience, Kant had claimed, is always spatio-temporal. Inner sense, however, may be exclusively temporal. Kemp Smith then guessed, in opposition to his earlier statement, why Kant ignored space as a transcendental schema. "Possibly Kant’s very natural preoccupation with his new revolutionary doctrine of inner sense and productive imagination has something to do with the matter .e., is the reason for his elimination of space" Thus, Kant's doctrine of inner sense and its emphasis on time resulted in his exclusion of space as a transcendental schema.
A. C. Ewing Alfred Cyril Ewing (; 11 May 1899 – 14 May 1973), usually cited as A. C. Ewing, was an English philosopher and a sympathetic critic of idealism. Biography Ewing studied at Oxford, where he gained the John Locke Lectureship and the Green Priz ...
claimed that the reason that Kant did not use space as a transcendental schema was because space is not needed in order to understand the relational concepts of substance or causality. According to Professor Ewing, Kant did intend to use space as a transcendental schematic mediator between a category and a sensible intuition. Kant, according to Professor Ewing, for one category did use space as a transcendental schema to unify a pure concept with a sensible intuition. Even though space is not needed in order to understand the relations of substance and causality, it is required in order to understand the conceptual relation of community or reciprocity. Werner Pluhar explained why time, rather than space, is used as a connection to include (subsume) sensory intuition in the Kantian categories or pure concepts of the understanding. “… l ranscendentalschemata connect the categories with time; the reason for this is that time is the only form of intuition that applies to any intuition whatsoever, even to the inner intuition we have of ourselves, whereas space applies merely to all outer intuitions.” (Immanuel Kant, ''Critique of Judgment'', translated by Werner S. Pluhar, Translator’s Introduction, p. xxxvi, Indianapolis: Hackett Publishing Co., 1987)


Organism

In order to show how time may not be the only schema, Professor Walsh suggested that there is "… the possibility of making sense of the categories in organic as opposed to mechanical terms." He hypothesized that "Elements in an organic complex would here take the place of elements in a temporal situation. Substance might be interpreted in terms of growth and form as opposed to what underlies mechanical change, and causality be thought of in terms of purpose and function." However, Professor Walsh concluded that Kant's choice of time as schema was more precise than any alternative choices. In spite of the general difficulty in understanding Schematism, he asserted that "… Kant's doctrine of schematism, if not altogether satisfactory at the theoretical level, will continue to stand on the strong empirical ground that the schemata offered do enable us to give real meaning to the categories and find for them a genuine use."


Schemata of systematic unity

In his discussion of the Architectonic of Pure Reason, Kant utilized the concept of schema in a way that was similar to his discussion of the schemata of the Categories. A science's whole systematic organization consists of parts. The parts are various cognitions or units of knowledge. The parts are united under one idea which determines the relation of the parts to each other and also the purpose of the whole system. A schema is needed to execute, carry out, or realize this unifying idea and put it into effect. This schema is a sketch or outline of the way that the parts of knowledge are organized into a whole system of science. A schema which is sketched, designed, or drafted in accordance with accidental, empirical purposes results in mere technical unity. But a schema that is drawn up from an ''a priori'' rational idea is the foundational outline of architectonic unity. Science must have architectonic unity. "For the schema of what we call science must contain the whole's outline (''monogramma'') and the whole's division into parts in conformity with the idea — i.e., it must contain these ''a priori'' — and must distinguish this whole from all others with certainty and according to principles." This use of the concept of schema is similar to Kant's previous use. It is a minimal outline, monogram, or diagram that realizes or executes an abstract, general concept or idea (Idee) as actual, perceptual experience.


Criticism

Obscurity of the concept "schema" Kant introduced the concept of the transcendental schema in his chapter entitled "Of the Schematism of the Pure Concepts of the Understanding." It is considered to be one of Kant's more difficult chapters. Even though he knew that he was not writing for a popular readership, Kant twice tried to apologize for this chapter by calling it "very dry" and "dry and tedious." Kant entered into his 1797 notebook: "In general, the schematism is one of the most difficult points. – Even Herr
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cannot find his way about in it." Professor W.H. Walsh, of the University of Edinburgh, wrote: "The chapter on Schematism probably presents more difficulties to the uncommitted but sympathetic reader than any other part of the ''Critique of Pure Reason''. Not only are the details of the argument highly obscure (that, after all, is a common enough experience in reading Kant, though one is not often so baffled as one is here): it is hard to say in plain terms what general point or points Kant is seeking to establish."
Arthur Schopenhauer Arthur Schopenhauer ( , ; 22 February 1788 – 21 September 1860) was a German philosopher. He is best known for his 1818 work ''The World as Will and Representation'' (expanded in 1844), which characterizes the phenomenal world as the prod ...
referred to it as "…the strange 'Chapter on the Schematism of the Pure Concepts of the Understanding,' which is well known for its great obscurity, since no one has ever been able to make anything out of it." Schopenhauer's notebooks contained entries that described Kant's chapter on schemata as "an audacious piece of nonsense" and the schema as "an absurdity whose non–existence is plain." Schopenhauer also remarked on "...the futility of such intermediate things between intuitive perception and concepts." In Schopenhauer's criticism of Kant's schemata, he attempted to clear up the obscurity by attributing Kant's concept of schemata simply to a psychological need for architectonic symmetry in his writings. Empirical concepts are based on empirical perceptions. Kant, however, tried to claim that, analogously, pure concepts (Categories) also have a basis. But this contradicts his previous assertion that pure concepts simply exist in the human mind and are not based on pure, schematic perceptions. Schopenhauer also alleged that schemata were introduced merely to give plausibility to Kant's description of the categories or pure concepts of the understanding. The article on Kant in the ''Encyclopedia of Philosophy'' calls Kant's schematism a "baffling doctrine " with "cryptic sentences." Josiah Royce referred to "the perplexing doctrine of the Schema." The Scottish philosopher Robert Adamson wrote: "Kant's manner of explaining the functions of schematism is extremely apt to be misunderstood, and to mislead." Robert Adamson, ''On the Philosophy of Kant'', p. 53 f. Kant's early critics (1782 –1789) did not discuss schematism because they couldn't follow Kant's explanation.
Heidegger Martin Heidegger (; ; 26 September 188926 May 1976) was a German philosopher who is best known for contributions to phenomenology, hermeneutics, and existentialism. He is among the most important and influential philosophers of the 20th centur ...
wrote of "the dryness and tediousness of this analysis…." After more than two centuries, Kant's explanation of schema still seems to be unclear to many readers. In their book on parallel distributed processing, the PDP Research Group discussed Kant's schemata when they appropriated that word to designate their concept of
image schema An image schema (both ''schemas'' and ''schemata'' are used as plural forms) is a recurring structure within our cognitive processes which establishes patterns of understanding and reasoning. As an understudy to embodied cognition, image schemas ar ...
ta. "The schema," they wrote, "throughout history, has been a concept shrouded in mystery. Kant's … use of the term has been provocative but difficult to understand." After this sentence, no further attempt was made to discuss Kant's term and the concept that it designates.
H. H. Price Henry Habberley Price (17 May 1899 – 26 November 1984), usually cited as H. H. Price, was a Welsh philosopher, known for his work on the philosophy of perception. He also wrote on parapsychology. Biography Born in Neath, Glamorganshire, Wa ...
, in ''Thinking and Experience'', page 292, referred to Kant's Schema and wrote, "…I must confess I do not fully understand it." In 2004, Professor Georges Dicker of SUNY Brockport stated: "I find the Schematism especially opaque…." Kant scholar
Norman Kemp Smith Norman Duncan Kemp Smith, FBA, FRSE (5 May 1872 – 3 September 1958) was a Scottish philosopher who was Professor of Psychology (1906–1914) and Philosophy (1914–1919) at Princeton University and was Professor of Logic and Metaphysics at th ...
judged the schematism chapter to be a "highly artificial argument." Kant's explanation seems, to Kemp Smith, to be contrived and to have no natural progression. Hermann Weyl described his reaction to Kant: "While I had no trouble making this part of Kant’s teaching egarding ''a priori'' space and ''a priori'' synthetic judgmentsmy own, I still had much trouble with the ''Schematism of Pure Mental Concepts….''" In his English lectures, published in 1796, Kant's pupil Friedrich August Nitsch warned his listeners and readers against the difficulty in comprehending Kant's concept of the schema. He wrote: "It will require great efforts of abstraction in the reader to conceive the Schematism of the intellect, in a perfectly clear ''manner''. In his essay "Kant’s Conception of the Categories,"
T. K. Seung T. K. Seung was a Korean American philosopher and literary critic. His academic interests cut across diverse philosophical and literary subjects, including ethics, political philosophy, Continental philosophy, cultural hermeneutics, and literar ...
called "…the 'Schematism,' perhaps the most oracular chapter of the ''Critique''….". Discrepancies According to Professor W. H. Walsh, there is an apparent discrepancy in Kant's central arguments about schematism. Kant, according to Professor Walsh, first claimed that empirical concepts do not require schemata. Only pure concepts need schemata in order to be realized.Walsh, W. H. , ''"Schematism"'', ''Kant–Studien, Band 49'' (1957) This is because pure concepts are totally different from intuitions, whereas, empirical concepts are abstracted from intuitions and are therefore homogeneous with them. But in another part of his chapter, Kant states that mathematical concepts have schemata. "In fact," he wrote, "it is schemata, not images of objects, that lie at the basis of our pure sensible (i.e., geometrical) concepts." In discussing schematism as the method of representing in one image a certain mathematical quantity according to a certain concept, he wrote: "This representation of a general procedure of the imagination by which a concept receives its image, I call the schema of such concept." With regard to pure concepts, Kant then declares, "The schema of a pure concept of the understanding, on the contrary, is something which can never be made into an image … ." Kant, according to Professor Walsh, has two distinct ways of describing schemata. "Sometimes, as at the beginning of his discussion, he speaks as if a schema were a feature of things which could be pointed to … ". In another place, Kant " … speaks as if schematism were a procedure … ." Problematic mediation According to Kant, a transcendental schema is a mediating nexus, a third thing (''tertium quid''; ''ein Drittes''), between a pure concept and a phenomenon. This mediation was never satisfactorily explained by Kant, and
Charles Sanders Peirce Charles Sanders Peirce ( ; September 10, 1839 – April 19, 1914) was an American philosopher, logician, mathematician and scientist who is sometimes known as "the father of pragmatism". Educated as a chemist and employed as a scientist for ...
declared that it is a major part of Kant's system. Kant's "doctrine of the schemata can only have been an afterthought…," Peirce wrote. The theory of mediating schemata was "an addition to his system after it was substantially complete."'' Collected Papers of Charles Sanders Peirce'', Vol. I, Book I, Chapter I, § 4, Paragraph 35, Page 15 The enormous importance of the concept of the transcendental schema was emphasized by Peirce when he wrote that "if the schemata had been considered early enough, they would have overgrown his whole work." The perennial mind-body problem examines the relation between cognitions that are inside of a knower’s brain and objects that appear to be outside of that brain. This dualism is reflected in many philosophical dichotomies. These dichotomies consist of two opposing parts that are totally heterogeneous to each other. Kant was concerned with the problem of uniting these opposites for much of his middle and later life. Descartes incorrectly claimed that the dichotomy of soul and body is unified when the brain’s
pineal gland The pineal gland, conarium, or epiphysis cerebri, is a small endocrine gland in the brain of most vertebrates. The pineal gland produces melatonin, a serotonin-derived hormone which modulates sleep patterns in both circadian and seasonal cycl ...
is psychokinetically moved by the brain’s thoughts. Salomon Maimon likened Kant’s Transcendental Schemata to Descartes’ pineal gland. Kant’s concept of Transcendental Schema is understood as being a variation of the enduring mind-body problem because his Transcendental Schema subsumes a sensuous intuition under a pure concept, combining conceptual understanding
ind Ind or IND may refer to: General * Independent (politician), a politician not affiliated to any political party * Independent station, used within television program listings and the television industry for a station that is not affiliated with ...
with perceptual sensation
ody A sampy is an amulet or idol of spiritual and political importance among numerous ethnic groups in Madagascar. Amulets and idols fashioned from assorted natural materials have occupied an important place among many Malagasy communities for centu ...


Adamson's interpretation

Scottish philosopher Robert Adamson wrote from a Hegelian standpoint. He believed that Kant's analysis of knowledge into the separate topics of intuition, schema, and concept was mechanical and artificial. Adamson claimed that "Thought and Intuition are organically united in the schema." "We are not to suppose that the subsumption f the intuition under the pure notionis mechanical; that the particular is something distinct from the universal. The union is organic; the particular is only the universal under a special form. The same function of synthesis, which in pure abstraction we call category, is, in realization, the schema, and the intuition is not apart from the schema." Kant's abstract analysis of perceptual knowledge was, according to Adamson, the misleading separation of an organic unity into individual components. He asserted that "… we must on no account regard Notion, Schema, and Intuition, as three parts of perception which would exist in isolation." This amalgamation is typical of the Hegelian "dialectical" formula in which two apparent opposites are always subsumed or reconciled by some third entity.


Pluhar's interpretation

In the translator's introduction to his version of Kant's ''
Critique of Judgment The ''Critique of Judgment'' (german: Kritik der Urteilskraft), also translated as the ''Critique of the Power of Judgment'', is a 1790 book by the German philosopher Immanuel Kant. Sometimes referred to as the "third critique," the ''Critique o ...
'', page xxxvi, Werner Pluhar tried to explain schemata. He noted that perceptual intuitions and Kant's conceptual
categories Category, plural categories, may refer to: Philosophy and general uses *Categorization, categories in cognitive science, information science and generally *Category of being * ''Categories'' (Aristotle) * Category (Kant) *Categories (Peirce) * ...
are very different, yet they relate to each other. This exposition by Professor Pluhar paraphrases Kant's doctrine that perceptions are based on concepts. Kant's position can be contrasted with Schopenhauer's opposite teaching that concepts are derived or abstracted from perceptions, thereby giving content to the concepts and allowing them to make sense. This is the very reason why pure concepts, or categories, require schemata. "Something is needed," Pluhar wrote, sharing Kant's viewpoint, "to ''mediate'' between intuition in general and the categories, viz., a rule or 'schema' that stipulates what conditions the intuition must meet so that it ''can'' match a category." Professor Pluhar then gave a specific example of how time is utilized to accomplish the matching or mediation. His explanation does not resort to presenting schemata through the use of visual analogies such as "sketches" or "outlines." Pluhar's schemata are rules. "In the case of causal relation, the schema is the rule that ''the effect must follow the cause in time''." After providing this particular instance, he declared generally that "…all schemata connect the categories with time…." Professor Pluhar then asserted the reason for this schematic connection: "…time is the only form of intuition that applies to any intuition whatsoever, even to the inner intuition that we have of ourselves, whereas space applies merely to all outer intuitions." Oddly enough, schemata do not have to be added as mediators to the categories of causality and substance. These are already temporalized. Time is intrinsic to the relation between cause and effect. Substance, by its very nature, is a thing that continually endures.


Watson on time and schematism

Canadian professor John Watson, in hi
discussion
of Kantian philosophy, wrote about supposed supersensible, atemporal beings such as
God In monotheistic thought, God is usually viewed as the supreme being, creator, and principal object of faith. Swinburne, R.G. "God" in Honderich, Ted. (ed)''The Oxford Companion to Philosophy'', Oxford University Press, 1995. God is typically ...
or the soul. Such things are said to have a timeless existence. As such, though, they cannot be known or experienced. Watson asserted that "…whatever cannot be ‘schematized’...cannot be known...." ''Schelling’s Transcendental Idealism'', Chicago: S.C. Griggs & Co., 1892, Chapter I, p. 11. He considered Kantian schematization as "...conforming to the process by which the definite or concrete becomes a possible object in time...." Schematizing an object is representing an object in time. Accordingly, timeless "...supersensible realities...are not capable of being 'schematized,' do not admit of the application to them of the antiancategories and can never become objects of actual sensible experience." "In the ''Critique of Pure Reason'' it has been maintained that no ''knowledge'' of supersensible realities can be obtained, since such knowledge always implies a process of determining r schematizingobjects in time, whilst the supersensible is necessarily free from the limits of time." If supersensible objects cannot be schematized because they are not in time, then "…to the supersensible world…the schematized categories have no application….". If a supersensible thing, like God or the soul, is not in time, then it can't be schematized, can't be applied to Kantian categories, and therefore can't be a known object. Such supersensible entities would have to be schematized through the form of time if they were to be known as having sequentially countable magnitude, gradations of intensive reality, permanent substantiality, or successive causality.


Elaborations of Kant's notion of schema in cognitive science

The philosopher Mark Johnson discusses Kant's conception of a schema with respect to developing a theory of the imagination within cognitive science. Johnson's theory makes use of Kant's insights that analogy is the cognitive mechanism which links sensible percepts to their conceptual categories, and that creative analogy—or what Johnson calls conceptual metaphor—is the cognitive mechanism by which we come to have our understanding of those abstract concepts and categories of which we have less direct sensible experience. He proposes that we use imaginative schemata to structure abstract concepts largely in terms a set of spatial analogies he calls image schemata. In Johnson's view, we acquire
image schema An image schema (both ''schemas'' and ''schemata'' are used as plural forms) is a recurring structure within our cognitive processes which establishes patterns of understanding and reasoning. As an understudy to embodied cognition, image schemas ar ...
ta primarily from recurrent patterns of experiences in infancy and early childhood, and then reuse these image schemata in a metaphoric fashion both to reason abstractly and as we speak our language. In an increase of ambiguity and confusion, some cognitive scientists today have appropriated the often–misused technical term "schema" to mean Kantian Category. In his book ''Cognitive-Behavioral Therapy: Basic Principles and Applications'' (Jason Aronson Publishers,1996), Robert L. Leahy of the American Institute for Cognitive Therapy in New York City and the Weill Cornell Medical College of Cornell University exemplifies this misuse. In Chapter 2, "Historical Context of Cognitive Therapy," he wrote of how, for Kant, "reality is never directly knowable, but rather is 'known' through 'categories of thinking.'"
Leahy Leahy is a Canadian folk music group. The eight band members, all from the Leahy family of 11 siblings, are from Lakefield, Ontario and have been touring Canada and internationally since the early 1980s, when they were known as The Leahy Family ...
then stated, "According to Kant, all knowledge was based on the 'categories' (which today we would call schemas). Consequently, reality was never directly knowable--we only knew the schemas." In this way, Kant's concept of "category," or "pure concept of the understanding," is no longer defined as being a predicate, property, quality, or characteristic of any and all objects in general. A Kantian Category is now vaguely considered by cognitive scientists to be a "schema," which was a term that Kant had already used to designate the subsumption of an empirical intuition, through time, under a category or pure concept.


See also

* Schema (psychology) * Schopenhauer's criticism of the Kantian philosophy * Schopenhauer's criticism of Kant's schemata *
Image schema An image schema (both ''schemas'' and ''schemata'' are used as plural forms) is a recurring structure within our cognitive processes which establishes patterns of understanding and reasoning. As an understudy to embodied cognition, image schemas ar ...
*
Category (Kant) In Immanuel Kant's philosophy, a category (german: 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 gene ...


References


Bibliography

* Adamson, Robert, ''On the Philosophy of Kant'', 1879 * Caygill, Howard, ''A Kant Dictionary'', Blackwell. 1995, * Ellington, James W., "The Unity of Kant's Thought in His Philosophy of Corporeal Nature," ''Philosophy of Material Nature'', Hackett, 1985, * Heidegger, Martin, ''Kant and the Problem of Metaphysics'', Indiana U. Press, Bloomington, 1962 * Kant, Immanuel, '' Critique of Pure Reason'', Cambridge University Press, 2000, * Kant, Immanuel, ''
Critique of Judgment The ''Critique of Judgment'' (german: Kritik der Urteilskraft), also translated as the ''Critique of the Power of Judgment'', is a 1790 book by the German philosopher Immanuel Kant. Sometimes referred to as the "third critique," the ''Critique o ...
'', Translated by Werner S. Pluhar, Hackett, 1987, * Kant, Immanuel, Immanuel, ''First Introduction to the Critique of Judgment'', Library of Liberal Arts, 146, Bobbs–Merrill, 1965 * Kant, Immanuel, Immanuel, '' Prolegomena to any future metaphysics'', Bobbs–Merrill, 1976, * ''Kant–Studien'', Band 49 (1957), Kölner Universitäts–Verlag * Stephan Körner, ''Kant'', Penguin Books, 1964, * Mahaffy, John P., ''Kant's Critical Philosophy for English Readers'', 1872 * Johnson, Mark, ''The Body in the Mind: The Bodily Basis of Meaning, Imagination, and Reason'', University of Chicago, 1987 * McClelland, J.L., D.E. Rumelhart and the PDP Research Group (1986). ''Parallel Distributed Processing: Explorations in the Microstructure of Cognition. Volume 2: Psychological and Biological Models'', Cambridge, MA: MIT Press, * Monck, William H.S., ''Introduction to the Critical Philosophy'', 1874 * Schopenhauer, Arthur, ''
The World as Will and Representation ''The World as Will and Representation'' (''WWR''; german: Die Welt als Wille und Vorstellung, ''WWV''), sometimes translated as ''The World as Will and Idea'', is the central work of the German philosopher Arthur Schopenhauer. The first edition ...
'', Vol. I, Dover, 1969, * Schopenhauer, Arthur, ''Manuscript Remains'', Vol. 2, Berg Publishers Limited, 1988, {{ISBN, 0-85496-539-4 * ''The Encyclopedia of Philosophy'', Volume 3, Macmillan, 1972 * von Hartmann, Eduard, '' Philosophy of the Unconscious'', New York: Harcourt, Brace & Co., 1931 * Walsh, W. H., ''"Schematism"'', ''Kant–Studien'', Band 49 (1957), Kölner Universitäts–Verlag, 1957 Kantianism