Categorical Imperative
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The categorical imperative (german: kategorischer Imperativ) is the central philosophical concept in the
deontological In moral philosophy, deontological ethics or deontology (from Greek: + ) is the normative ethical theory that the morality of an action should be based on whether that action itself is right or wrong under a series of rules and principles, ...
moral philosophy Ethics or moral philosophy is a branch of philosophy that "involves systematizing, defending, and recommending concepts of right and wrong behavior".''Internet Encyclopedia of Philosophy'' The field of ethics, along with aesthetics, concerns ...
of
Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and ...
. Introduced in Kant's 1785 '' Groundwork of the Metaphysic of Morals'', it is a way of evaluating
motivation Motivation is the reason for which humans and other animals initiate, continue, or terminate a behavior at a given time. Motivational states are commonly understood as forces acting within the agent that create a disposition to engage in goal-dire ...
s for action. It is best known in its original formulation: "Act only according to that
maxim Maxim or Maksim may refer to: Entertainment * ''Maxim'' (magazine), an international men's magazine ** ''Maxim'' (Australia), the Australian edition ** ''Maxim'' (India), the Indian edition *Maxim Radio, ''Maxim'' magazine's radio channel on Sir ...
whereby you can, at the same time, will that it should become a universal law."It is standard to also reference the '' Akademie Ausgabe'' of Kant's works. The ''Groundwork'' occurs in the fourth volume. Citations throughout this article follow the format 4:x. For example, the above citation is taken from 4:421. According to Kant, sentient beings occupy a special place in creation, and
morality Morality () is the differentiation of intentions, decisions and actions between those that are distinguished as proper (right) and those that are improper (wrong). Morality can be a body of standards or principles derived from a code of co ...
can be summed up in an imperative, or ultimate commandment of
reason Reason is the capacity of consciously applying logic by drawing conclusions from new or existing information, with the aim of seeking the truth. It is closely associated with such characteristically human activities as philosophy, science, lang ...
, from which all duties and obligations derive. He defines an ''imperative'' as any
proposition In logic and linguistics, a proposition is the meaning of a declarative sentence. In philosophy, " meaning" is understood to be a non-linguistic entity which is shared by all sentences with the same meaning. Equivalently, a proposition is the no ...
declaring a certain action (or inaction) to be necessary. Hypothetical imperatives apply to someone who wishes to attain certain ends. For example, "I must drink something to quench my thirst" or "I must study to pass this exam." A categorical imperative, on the other hand, denotes an absolute, unconditional requirement that must be obeyed in all circumstances and is justified as an
end in itself In moral philosophy, instrumental and intrinsic value are the distinction between what is a ''means to an end'' and what is as an ''end in itself''. Things are deemed to have instrumental value if they help one achieve a particular end; intrinsi ...
. Kant expressed extreme dissatisfaction with the popular
moral philosophy Ethics or moral philosophy is a branch of philosophy that "involves systematizing, defending, and recommending concepts of right and wrong behavior".''Internet Encyclopedia of Philosophy'' The field of ethics, along with aesthetics, concerns ...
of his day, believing that it could never surpass the level of hypothetical imperatives: a
utilitarian In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for all affected individuals. Although different varieties of utilitarianism admit different charac ...
says that murder is wrong because it does not maximize good for those involved, but this is irrelevant to people who are concerned only with maximizing the positive outcome for themselves. Consequently, Kant argued, hypothetical moral systems cannot persuade moral action or be regarded as bases for moral judgments against others, because the imperatives on which they are based rely too heavily on subjective considerations. He presented a deontological moral system, based on the demands of the categorical imperative, as an alternative.


Outline


Pure practical reason

The capacity that underlies deciding what is moral is called ''
pure practical reason Pure practical reason (german: reine praktische Vernunft) is the opposite of impure (or sensibly-determined) practical reason and appears in Immanuel Kant's '' Critique of Practical Reason'' and ''Groundwork of the Metaphysic of Morals''. It is the ...
'', which is contrasted with: pure reason, which is the capacity to know without having been shown; and mere practical reason, which allows us to interact with the world in experience. Hypothetical imperatives tell us which means best achieve our ends. They do not, however, tell us which ends we should choose. The typical dichotomy in choosing ends is between ends that are ''right'' (e.g., helping someone) and those that are ''good'' (e.g., enriching oneself). Kant considered the ''right'' superior to the ''good''; to him, the latter was morally irrelevant. In Kant's view, a person cannot decide whether conduct is ''right'', or moral, through
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 ...
means. Such judgments must be reached ''a priori'', using pure practical reason. What action can be constituted as moral is universally reasoned by the categorical imperative, separate from observable experience. This distinction, that it is imperative that each action is not empirically reasoned by observable experience, has had wide social impact in the legal and political concepts of
human rights Human rights are moral principles or normsJames Nickel, with assistance from Thomas Pogge, M.B.E. Smith, and Leif Wenar, 13 December 2013, Stanford Encyclopedia of PhilosophyHuman Rights Retrieved 14 August 2014 for certain standards of hu ...
and equality.


Possibility

People see themselves as belonging to both the world of understanding and the world of sense. As a member of the world of understanding, a person's actions would always conform to the
autonomy In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one' ...
of the will. As a part of the world of sense, he would necessarily fall under the natural law of desires and inclinations. However, since the world of understanding contains the ground of the world of sense, and thus of its laws, his actions ought to conform to the autonomy of the will, and this categorical "ought" represents a synthetic proposition ''
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 ...
''.


Freedom and autonomy

Kant viewed the human individual as a rationally
self-conscious Self-consciousness is a heightened sense of awareness of oneself. It is not to be confused with consciousness in the sense of qualia. Historically, "self-consciousness" was synonymous with "self-awareness", referring to a state of awareness that ...
being with "impure" freedom of choice: For a will to be considered ''free'', we must understand it as capable of affecting
causal 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 ...
power without being caused to do so. However, the idea of lawless
free will Free will is the capacity of agents to choose between different possible courses of action unimpeded. Free will is closely linked to the concepts of moral responsibility, praise, culpability, sin, and other judgements which apply only to ac ...
, meaning a will acting without any
causal structure In mathematical physics, the causal structure of a Lorentzian manifold describes the causal relationships between points in the manifold. Introduction In modern physics (especially general relativity) spacetime is represented by a Lorentzian ma ...
, is incomprehensible. Therefore, a free will must be acting under laws that it gives to ''itself''. Although Kant conceded that there could be no conceivable example of free will, because any example would only show us a will as it ''appears'' to us—as a subject of natural laws—he nevertheless argued against
determinism Determinism is a philosophical view, where all events are determined completely by previously existing causes. Deterministic theories throughout the history of philosophy have developed from diverse and sometimes overlapping motives and cons ...
. He proposed that determinism is logically inconsistent: the determinist claims that because ''A'' caused ''B'', and ''B'' caused ''C'', that ''A'' is the true cause of ''C''. Applied to a case of the human will, a determinist would argue that the will does not have causal power and that something outside the will causes the will to act as it does. But this argument merely assumes what it sets out to prove: viz. that the human will is part of the causal chain. Secondly, Kant remarks that free will is ''inherently unknowable''. Since even a free person could not possibly have knowledge of their own freedom, we cannot use our failure to find a proof for freedom as evidence for a lack of it. The observable world could never contain an example of freedom because it would never show us a will as it appears to ''itself'', but only a will that is subject to natural laws imposed on it. But we do appear to ourselves as free. Therefore, he argued for the idea of transcendental freedom—that is, freedom as a presupposition of the question "what ''ought'' I to do?" This is what gives us sufficient basis for ascribing moral responsibility: the rational and self-actualizing power of a person, which he calls ''
moral autonomy In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one's ow ...
'': "the property the will has of being a law unto itself."


First formulation: Universality and the law of nature

Kant concludes that a moral proposition that is true must be one that is not tied to any particular conditions, including the identity and desires of the person making the moral deliberation. A moral maxim must imply absolute necessity, which is to say that it must be disconnected from the particular physical details surrounding the proposition, and could be applied to any rational being. This leads to the first formulation of the categorical imperative, sometimes called the principle of
universalizability The concept of universalizability was set out by the 18th-century German philosopher Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born ...
: "Act only according to that maxim whereby you can at the same time will that it should become a universal law." Closely connected with this formulation is the law of nature formulation. Because laws of nature are by definition universal, Kant claims we may also express the ''categorical imperative'' as:4:421
Act as if the maxims of your action were to become through your will a universal law of nature.
Kant divides the duties imposed by this formulation into two sets of two subsets. The first division is between duties that we have to ourselves versus those we have to others. For example, we have an obligation not to kill ourselves as well as an obligation not to kill others. Kant also, however, introduces a distinction between ''perfect'' and ''imperfect duties''.


Perfect duty

According to Kant's reasoning, we first have a perfect duty not to act by maxims that result in logical contradictions when we attempt to universalize them. The moral proposition ''A'': "It is permissible to steal" would result in a contradiction upon universalisation. The notion of stealing
presupposes In the branch of linguistics known as pragmatics, a presupposition (or PSP) is an implicit assumption about the world or background belief relating to an utterance whose truth is taken for granted in discourse. Examples of presuppositions include ...
the existence of
personal property property is property that is movable. In common law systems, personal property may also be called chattels or personalty. In civil law systems, personal property is often called movable property or movables—any property that can be moved fr ...
, but were ''A'' universalized, then there could be no personal property, and so the proposition has logically negated itself. In general, perfect duties are those that are blameworthy if not met, as they are a basic required duty for a human being.


Imperfect duty

Second, we have imperfect duties, which are still based on pure reason, but which allow for desires in how they are carried out in practice. Because these depend somewhat on the subjective preferences of humankind, this duty is not as strong as a perfect duty, but it is still morally binding. As such, unlike perfect duties, you do not attract blame should you not complete an imperfect duty but you shall receive praise for it should you complete it, as you have gone beyond the basic duties and taken duty upon yourself. Imperfect duties are circumstantial, meaning simply that you could not reasonably exist in a constant state of performing that duty. This is what truly differentiates between perfect and imperfect duties, because imperfect duties are those duties that are never truly completed. A particular example provided by Kant is the imperfect duty to cultivate one's own talents.


Second formulation: Humanity

Every rational action must set before itself not only a principle, but also an end. Most ends are of a subjective kind, because they need only be pursued if they are in line with some particular hypothetical imperative that a person may choose to adopt. For an end to be objective, it would be necessary that we categorically pursue it. The free will is the source of all rational action. But to treat it as a subjective end is to deny the possibility of freedom in general. Because the autonomous will is the one and only source of moral action, it would contradict the first formulation to claim that a person is merely a means to some other end, rather than always an end in themselves. On this basis, Kant derives the second formulation of the categorical imperative from the first. By combining this formulation with the first, we learn that a person has ''perfect duty'' not to use the humanity of themselves or others merely as a means to some other end. As a slave owner would be effectively asserting a moral right to own a person as a slave, they would be asserting a property right in another person. This would violate the categorical imperative, because it denies the basis for there to be free rational action at all; it denies the status of a person as an end in themselves. One cannot, on Kant's account, ever suppose a right to treat another person as a mere means to an end. In the case of a slave owner, the slaves are being used to cultivate the owner's fields (the slaves acting as the means) to ensure a sufficient harvest (the end goal of the owner). The second formulation also leads to the ''imperfect duty'' to further the ends of ourselves and others. If any person desires perfection in themselves or others, it would be their moral duty to seek that end for all people equally, so long as that end does not contradict perfect duty.


Third formulation: Autonomy

Kant claims that the first formulation lays out the ''objective'' conditions on the categorical imperative: that it be universal in form and thus capable of becoming a law of nature. Likewise, the second formulation lays out ''subjective'' conditions: that there be certain ends in themselves, namely rational beings as such. The result of these two considerations is that we must will maxims that can be at the same time universal, but which do not infringe on the freedom of ourselves nor of others. A universal maxim, however, could only have this form if it were a maxim that each subject by himself endorsed. Because it cannot be something which externally constrains each subject's activity, it must be a constraint that each subject has set for himself. This leads to the concept of ''self''-legislation. Each subject must through his own use of reason will maxims which have the form of universality, but do not impinge on the freedom of others: thus each subject must will maxims that could be universally self-legislated. The result, of course, is a formulation of the categorical imperative that contains much of the same as the first two. We must will something that we could at the same time freely will of ourselves. After introducing this third formulation, Kant introduces a distinction between ''
autonomy In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one' ...
'' (literally: self-law-giving) and '' heteronomy'' (literally: other-law-giving). This third formulation makes it clear that the categorical imperative requires autonomy. It is not enough that the right conduct be followed, but that one also demands that conduct of oneself.


The Kingdom of Ends formulation

In the ''Groundwork'', Kant goes on to formulate the categorical imperative in a number of ways following the first three; however, because Kant himself claims that there are only three principles, little attention has been given to these other formulations. Moreover, they are often easily assimilated to the first three formulations, as Kant takes himself to be explicitly summarizing these earlier principles. There is, however, another formulation that has received additional attention as it appears to introduce a social dimension into Kant's thought. This is the formulation of the "Kingdom of Ends." Because a truly autonomous will would not be subjugated to any interest, it would only be subject to those laws it makes for itself—but it must also regard those laws as if they would be bound to others, or they would not be universalizable, and hence they would not be laws of conduct at all. Thus, Kant presents the notion of the hypothetical Kingdom of Ends of which he suggests all people should consider themselves never solely as means but always as ends. We ought to act only by maxims that would harmonize with a possible kingdom of ends. We have ''perfect duty'' not to act by maxims that create incoherent or impossible states of natural affairs when we attempt to universalize them, and we have ''imperfect duty'' not to act by maxims that lead to unstable or greatly undesirable states of affairs.


Application

Although Kant was intensely critical of the use of examples as moral yardsticks, as they tend to rely on our
moral intuition Ethical intuitionism (also called moral intuitionism) is a view or family of views in moral epistemology (and, on some definitions, metaphysics). It is foundationalism applied to moral knowledge, the thesis that some moral truths can be known no ...
s (
feeling Feelings are subjective self-contained phenomenal experiences. According to the ''APA Dictionary of Psychology'', a feeling is "a self-contained phenomenal experience"; and feelings are "subjective, evaluative, and independent of the sensation ...
s) rather than our rational powers, this section explores some applications of the categorical imperative for illustrative purposes.


Deception

Kant asserted that lying, or
deception Deception or falsehood is an act or statement that misleads, hides the truth, or promotes a belief, concept, or idea that is not true. It is often done for personal gain or advantage. Deception can involve dissimulation, propaganda and sleight o ...
of any kind, would be forbidden under any interpretation and in any circumstance. In ''Groundwork'', Kant gives the example of a person who seeks to borrow money without intending to pay it back. This is a contradiction because if it were a universal action, no person would lend money anymore as he knows that he will never be paid back. The maxim of this action, says Kant, results in a (and thus contradicts perfect duty). With lying, it would logically contradict the reliability of language. If it were universally acceptable to lie, then no one would believe anyone and all truths would be assumed to be lies. In each case, the proposed action becomes inconceivable in a world where the maxim exists as law. In a world where no one would lend money, seeking to borrow money in the manner originally imagined is inconceivable. In a world where no one trusts one another, the same is true about manipulative lies. The right to deceive could also not be claimed because it would deny the status of the person deceived as an end in itself. The theft would be incompatible with a possible kingdom of ends. Therefore, Kant denied the right to lie or deceive for any reason, regardless of context or anticipated consequences.


Theft

Kant argued that any action taken against another person to which he or she ''could not possibly'' consent is a violation of perfect duty as interpreted through the second formulation. If a thief were to steal a book from an unknowing victim, it may have been that the victim would have agreed, had the thief simply asked. However, no person can consent to theft, because the presence of consent would mean that the transfer was not a theft. Because the victim could not have consented to the action, it could not be instituted as a universal law of nature, and theft contradicts perfect duty.


Suicide

In the '' Groundwork of the Metaphysic of Morals'', Kant applies his categorical imperative to the issue of suicide motivated by a sickness of life:
A man reduced to despair by a series of misfortunes feels sick of life, but is still so far in possession of his reason that he can ask himself whether taking his own life would not be contrary to his duty to himself. Now he asks whether the maxim of his action could become a universal law of nature. But his maxim is this: from self-love I make as my principle to shorten my life when its continued duration threatens more evil than it promises satisfaction. There only remains the question as to whether this principle of self-love can become a universal law of nature. One sees at once that a contradiction in a system of nature whose law would destroy life by means of the very same feeling that acts so as to stimulate the furtherance of life, and hence there could be no existence as a system of nature. Therefore, such a maxim cannot possibly hold as a universal law of nature and is, consequently, wholly opposed to the supreme principle of all duty.
How the Categorical Imperative would apply to suicide from other motivations is unclear.


Laziness

Kant also applies the categorical imperative in the '' Groundwork of the Metaphysic of Morals'' on the subject of "failing to cultivate one's talents." He proposes a man who if he cultivated his talents could bring many goods, but he has everything he wants and would prefer to enjoy the pleasures of life instead. The man asks himself how the universality of such a thing works. While Kant agrees that a society could subsist if everyone did nothing, he notes that the man would have no pleasures to enjoy, for if everyone let their talents go to waste, there would be no one to create luxuries that created this theoretical situation in the first place. Not only that, but cultivating one's talents is a duty to oneself. Thus, it is not willed to make laziness universal, and a rational being has imperfect duty to cultivate its talents. Kant concludes in the ''Groundwork'':


Charity

Kant's last application of the categorical imperative in the '' Groundwork of the Metaphysic of Morals'' is of charity. He proposes a fourth man who finds his own life fine but sees other people struggling with life and who ponders the outcome of doing nothing to help those in need (while not envying them or accepting anything from them). While Kant admits that humanity could subsist (and admits it could possibly perform better) if this were universal, he states:


Cruelty to animals

Kant derived a prohibition against
cruelty to animals Cruelty to animals, also called animal abuse, animal neglect or animal cruelty, is the infliction by omission (neglect) or by commission by humans of suffering or harm upon non-human animals. More narrowly, it can be the causing of harm or suf ...
by arguing that such cruelty is a violation of a duty in relation to oneself. According to Kant, man has the imperfect duty to strengthen the feeling of compassion, since this feeling promotes morality in relation to other human beings. However, cruelty to animals deadens the feeling of compassion in man. Therefore, man is obliged not to treat animals brutally.


The trial of Adolf Eichmann

In 1961, discussion of Kant's categorical imperative was included in the trial of the SS
Lieutenant Colonel Lieutenant colonel ( , ) is a rank of commissioned officers in the armies, most marine forces and some air forces of the world, above a major and below a colonel. Several police forces in the United States use the rank of lieutenant colon ...
Adolf Eichmann Otto Adolf Eichmann ( ,"Eichmann"
'' Jerusalem Jerusalem (; he, יְרוּשָׁלַיִם ; ar, القُدس ) (combining the Biblical and common usage Arabic names); grc, Ἱερουσαλήμ/Ἰεροσόλυμα, Hierousalḗm/Hierosóluma; hy, Երուսաղեմ, Erusałēm. i ...
. As
Hannah Arendt Hannah Arendt (, , ; 14 October 1906 – 4 December 1975) was a political philosopher, author, and Holocaust survivor. She is widely considered to be one of the most influential political theorists of the 20th century. Arendt was born ...
wrote in her
book A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this physical ...
on the trial, Eichmann declared "with great emphasis that he had lived his whole life...according to a Kantian definition of duty." Arendt considered this so "incomprehensible on the face of it" that it confirmed her sense that he wasn't really thinking at all, just mouthing accepted formulae, thereby establishing his banality. Judge Raveh indeed had asked Eichmann whether he thought he had really lived according to the categorical imperative during the war. Eichmann acknowledged he did not "live entirely according to it, although I would like to do so."
Deborah Lipstadt Deborah Esther Lipstadt (born March 18, 1947) is an American historian, best known as author of the books '' Denying the Holocaust'' (1993), ''History on Trial: My Day in Court with a Holocaust Denier'' (2005), ''The Eichmann Trial'' (2011), and ...
, in her book on the trial, takes this as evidence that evil is not ''banal'', but is in fact ''self-aware''.


Application of the universalizability principle to the ethics of consumption

Pope Francis Pope Francis ( la, Franciscus; it, Francesco; es, link=, Francisco; born Jorge Mario Bergoglio, 17 December 1936) is the head of the Catholic Church. He has been the bishop of Rome and sovereign of the Vatican City State since 13 March 2013 ...
, in his 2015 encyclical, applies the first formulation of the universalizability principle to the issue of consumption:
Instead of resolving the problems of the poor and thinking of how the world can be different, some can only propose a reduction in the birth rate. ... To blame population growth instead of extreme and selective consumerism on the part of some, is one way of refusing to face the issues. It is an attempt to legitimize the present model of distribution, where a minority believes that it has the right to consume in a way which can never be universalized, since the planet could not even contain the waste products of such consumption.


Game theory

One form of the categorical imperative is superrationality. The concept was elucidated by
Douglas Hofstadter Douglas Richard Hofstadter (born February 15, 1945) is an American scholar of cognitive science, physics, and comparative literature whose research includes concepts such as the sense of self in relation to the external world, consciousness, a ...
as a new approach to
game theory Game theory is the study of mathematical models of strategic interactions among rational agents. Myerson, Roger B. (1991). ''Game Theory: Analysis of Conflict,'' Harvard University Press, p.&nbs1 Chapter-preview links, ppvii–xi It has appli ...
. Unlike in conventional game theory, a superrational player will act as if all other players are superrational too and that a superrational agent will always come up with the same strategy as any other superrational agent when facing the same problem.


Criticisms


The Golden Rule

The first formulation of the categorical imperative appears similar to the Golden Rule. In its negative form, the rule prescribes: "Do not impose on others what you do not wish for yourself." In its positive form, the rule states: "Treat others how you wish to be treated." Due to this similarity, some have thought the two are identical. William P. Alston and Richard B. Brandt, in their introduction to Kant, stated, "His view about when an action is right is rather similar to the Golden Rule; he says, roughly, that an act is right if and only if its agent is prepared to have that kind of action made universal practice or a 'law of nature.' Thus, for instance, Kant says it is right for a person to lie if and only if he is prepared to have everyone lie in similar circumstances, including those in which ''he'' is deceived by the lie." Claiming that
Ken Binmore Kenneth George "Ken" Binmore, (born 27 September 1940) is an English mathematician, economist, and game theorist, a Professor Emeritus of Economics at University College London (UCL) and a Visiting Emeritus Professor of Economics at the Unive ...
thought so as well,
Peter Corning Peter Andrew Corning (born 1935) is an American biologist, consultant, and complex systems scientist, Director of the Institute for the Study of Complex Systems, in Seattle, Washington. He is known especially for his work on the causal role of s ...
suggests that:
Kant's objection to the Golden Rule is especially suspect because the categorical imperative (CI) sounds a lot like a paraphrase, or perhaps a close cousin, of the same fundamental idea. In effect, it says that you should act toward others in ways that you would want everyone else to act toward others, yourself included (presumably). Calling it a universal law does not materially improve on the basic concept.
Kant himself did not think so in the '' Groundwork of the Metaphysics of Morals.'' Rather, the categorical imperative is an attempt to identify ''a purely formal'' and necessarily universally binding rule on all rational agents. The Golden Rule, on the other hand, is neither purely formal nor necessarily universally binding. It is "empirical" in the sense that applying it depends on providing content, such as, "If you don't want others to hit you, then don't hit them." It is also a hypothetical imperative in the sense that it can be formulated, "If you want X done to you, then do X to others." Kant feared that the hypothetical clause, "if you want X done to you," remains open to dispute.Kreeft, Peter (2009). ''Socrates Meets Kant'' p. 236. Ignatius In fact, he famously criticized it for not being sensitive to differences of situation, noting that a prisoner duly convicted of a crime could appeal to the golden rule while asking the judge to release him, pointing out that the judge would not want anyone else to send him to prison, so he should not do so to others.Kant, Immanuel ''Groundwork of the Metaphysics of Morals'', footnote 12. Cambridge University Press (28 April 1998).


Lying to a murderer

One of the first major challenges to Kant's reasoning came from the
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
philosopher
Benjamin Constant Henri-Benjamin Constant de Rebecque (; 25 October 1767 – 8 December 1830), or simply Benjamin Constant, was a Franco-Swiss political thinker, activist and writer on political theory and religion. A committed republican from 1795, he backed t ...
, who asserted that since truth telling must be universal, according to Kant's theories, one must (if asked) tell a known murderer the location of his prey. This challenge occurred while Kant was still alive, and his response was the essay ''
On a Supposed Right to Tell Lies from Benevolent Motives On, on, or ON may refer to: Arts and entertainment Music * On (band), a solo project of Ken Andrews * ''On'' (EP), a 1993 EP by Aphex Twin * ''On'' (Echobelly album), 1995 * ''On'' (Gary Glitter album), 2001 * ''On'' (Imperial Teen album), 200 ...
'' (sometimes translated ''On a Supposed Right to Lie because of Philanthropic Concerns''). In this reply, Kant agreed with Constant's inference, that from Kant's own premises one must infer a moral duty not to lie to a murderer. Kant denied that such an inference indicates any weakness in his premises: not lying to the murderer is required because moral actions do not derive their worth from the expected consequences. He claimed that because lying to the murderer would treat him as a mere means to another end, the lie denies the rationality of another person, and therefore denies the possibility of there being free rational action at all. This lie results in a and therefore the lie is in conflict with duty. Constant and Kant agree that ''refusing to answer'' the murderer's question (rather than ''lying'') is consistent with the categorical imperative, but assume for the purposes of argument that refusing to answer would not be an option.


Questioning autonomy

Schopenhauer's criticism of the Kantian philosophy "Critique of the Kantian philosophy" (German: "Kritik der Kantischen Philosophie") is a criticism Arthur Schopenhauer appended to the first volume of his ''The World as Will and Representation'' (1818). He wanted to show Immanuel Kant's errors s ...
expresses doubt concerning the absence of egoism in the categorical imperative.
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 pr ...
claimed that the categorical imperative is actually
hypothetical A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous obser ...
and egotistical, not categorical. However, Schopenhauer's criticism (as cited here) presents a weak case for linking egoism to Kant's formulations of the categorical imperative. By definition any form of sentient, organic life is interdependent and emergent with the organic and inorganic properties, environmental life supporting features, species dependent means of child rearing. These conditions are already rooted in mutual interdependence which makes that life form possible at all to be in a state of coordination with other forms of life - be it with pure practical reason or not. It may be that the categorical imperative is indeed biased in that it is life promoting and in part promotes the positive freedom for rational beings to pursue freely the setting of their own ends (read choices). However, deontology also holds not merely the positive form freedom (to set ends freely) but also the negative forms of freedom to that same will (to restrict setting of ends that treat others merely as means, etc.). The deontological system is for Kant argued to be based in a ''synthetic a priori'' - since in restricting the will's motive at its root to a purely moral schema consistent its maxims can be held up to the pure moral law as a structure of cognition and therefore the alteration of action accompanying a cultured person to a 'reverence for the law' or 'moral feeling'. Thus, insofar as individuals freely chosen ends are consistent in a rational Idea of community of interdependent beings also exercising the possibility of their pure moral reason is the egoism self-justified as being what is 'holy' good will because the motive is consistent with what all rational beings who are able to exercise this purely formal reason would see. The full community of other rational members - even if this 'Kingdom of Ends' is not yet actualized and whether or not we ever live to see it - is thus a kind of 'infinite game' that seeks to held in view by all beings able to participate and choose the 'highest use of reason' (see ''Critique of Pure Reason'') which is reason in its pure practical form. That is, morality seen deontologically.
Søren Kierkegaard Søren Aabye Kierkegaard ( , , ; 5 May 1813 – 11 November 1855) was a Danish theologian, philosopher, poet, social critic, and religious author who is widely considered to be the first existentialist philosopher. He wrote critical texts on ...
believed Kantian autonomy was insufficient and that, if unchecked, people tend to be lenient in their own cases, either by not exercising the full rigor of the moral law or by not properly disciplining themselves of moral transgressions. However, many of Kierkegaard's criticisms on his understanding of Kantian autonomy, neglect the evolution of Kant's moral theory from the ''Groundwork of Metaphysics of Morals'', to the second and final critiques respectively, ''The Critique of Practical Reason, The Critique of Moral Judgment,'' and his final work on moral theory the ''Metaphysics of Morals''


See also

* Deontological ethics * Ethic of reciprocity or "Golden Rule" *
Ethics Ethics or moral philosophy is a branch of philosophy that "involves systematizing, defending, and recommending concepts of right and wrong behavior".''Internet Encyclopedia of Philosophy'' The field of ethics, along with aesthetics, concer ...
*
Generalization error For supervised learning applications in machine learning and statistical learning theory, generalization error (also known as the out-of-sample error or the risk) is a measure of how accurately an algorithm is able to predict outcome values for p ...
*
Generalization (logic) In predicate logic, generalization (also universal generalization or universal introduction,Moore and Parker GEN) is a valid inference rule. It states that if \vdash \!P(x) has been derived, then \vdash \!\forall x \, P(x) can be derived. Gener ...
* Hasty generalization * Instrumental and value rationality *
Kantianism Kantianism is the philosophy of Immanuel Kant, a German philosopher born in Königsberg, Prussia (now Kaliningrad, Russia). The term ''Kantianism'' or ''Kantian'' is sometimes also used to describe contemporary positions in philosophy of min ...
*
Normative ethics Normative ethics is the study of ethical behaviour and is the branch of philosophical ethics that investigates the questions that arise regarding how one ought to act, in a moral sense. Normative ethics is distinct from meta-ethics in that th ...


References


External links

* Palmquist, Stephen. 1993.
Glossary of Kant's Technical Terms
" I
''Kant's System of Perspectives'': ''An architectonic interpretation of the Critical philosophy''
University Press of America University Press of America is an academic publisher based in the United States. Part of the independent Rowman & Littlefield Rowman & Littlefield Publishing Group is an independent publishing house founded in 1949. Under several imprints, the ...
.
Immanuel Kant in Italia
a website on the presence and diffusion of the philosophy of Immanuel Kant in Italy


The Categorical Imperative
{{DEFAULTSORT:Categorical Imperative Deontological ethics Kantianism Ethical principles