Aristotle had it that an object's essential attributes form its " essential nature ", and that a definition of the object must include these essential attributes.

A real definition, by contrast, is one expressing the real nature or quid rei of the thing.

Tindal presents a Lockean definition of reason, self-evident truth and the light of nature:

Some mark Haeckel's definition as the beginning ; others say it was Eugenius Warming with the writing of Oecology of Plants: An Introduction to the Study of Plant Communities ( 1895 ), or Carl Linnaeus ' principles on the economy of nature that matured in the early 18th century.

In summary, the thermodynamic definition of entropy provides the experimental definition of entropy, while the statistical definition of entropy extends the concept, providing an explanation and a deeper understanding of its nature.

His definition is based on the presence in the esoteric currents of four essential characteristics: a theory of correspondences between all parts of the invisible and the visible cosmos, the conviction that nature is a living entity owing to a divine presence or life-force, the need for mediating elements ( such as symbols, rituals, angels, visions ) in order to access spiritual knowledge, and, fourthly, an experience of personal and spiritual transmutation when arriving at this knowledge.

The earliest definition of hypnosis was given by Braid, who coined the term " hypnotism " as an abbreviation for " neuro-hypnotism ", or nervous sleep, which he opposed to normal sleep, and defined as: " a peculiar condition of the nervous system, induced by a fixed and abstracted attention of the mental and visual eye, on one object, not of an exciting nature.

This definition excludes any works that are the result of community creativity, for example Native American songs and stories ; current legislation does not recognize the uniqueness of indigenous cultural ' property ' and its ever-changing nature.

The exact legal definition of " incest ," including the nature of the relationship between persons, and the types sexual activity, varies by country, and by even individual states or provinces within a country.

It is difficult to provide a standardized definition of Internet slang due to the constant changes made to its nature.

In Plato's early dialogues, Socrates uses the elenctic method to investigate the nature or definition of ethical concepts such as justice or virtue.

; Ontology: The study of being and existence ; includes the definition and classification of entities, physical or mental, the nature of their properties, and the nature of change.

The description and definition is also a part of psychology where psychologists such as Siegmund Freud, William James have developed influential theories about the nature of the human mind.

This definition does not depend on the nature of the interaction between the atoms, but only on the strength of the interaction.

The term developed as a catch-all to refer to material that did not fit into the other categories of prehistory and after the development of radiocarbon dating the arbitrary nature of its definition has become apparent.

By definition, the accused is sufficiently aware of the nature of the activity to commit the actus reus of driving and presumably knows that driving while drunk is legally wrong.

Though the exact definition varies between scholars, natural language can broadly be defined in contrast on the one hand to artificial or constructed languages, such as computer programming languages like Python and international auxiliary languages like Esperanto, and on the other hand to other communication systems in nature, such as the waggle dance of bees.

In this law of nature consisteth the fountain and original of justice ... when a covenant is made, then to break it is unjust and the definition of injustice is no other than the not performance of covenant.

A brief definition of Nestorian Christology can be given as: " Jesus Christ, who is not identical with the Son but personally united with the Son, who lives in him, is one hypostasis and one nature: human.

It has been claimed under reductive physicalism, that when a distinction is made in ones mind between a hypothetical zombie and oneself ( assumed not to be a zombie ), and noting that the concept of oneself under reductive physicalism may ever only correspond to physical reality, the concept of the hypothetical zombie can only be a subset of the concept of oneself and will in this nature also entail a deficit in observables ( cognitive systems ) thereby contradicting the original definition of a zombie.

A definition of pain widely employed in nursing, emphasizing its subjective nature and the importance of believing patient reports, was introduced by Margo McCaffery in 1968: " Pain is whatever the experiencing person says it is, existing whenever he says it does ".

Though sex in some form or other enters into all human activity and it was a good thing that Freud emphasized this aspect of human nature, it is fantastic to explain everything in terms of sex.

Although he questions the extent and nature of the alleged revival of religion and the alleged increase in conformity, and thinks that `` hedonistic '' present-time orientation does not have the meaning usually attributed to it, he does conclude that Americans increasingly enjoy leisure without guilt, do not stress achievement so much as formerly, are more accepting of group harmony as a goal, more tolerant of diversity and aware of other cultures.

He was a learned and brilliant man, one of the best jurists in Europe and with flashes of penetrating insight, and yet in his dealings with other people, particularly when he tried to be ingratiating, he was capable of an abysmal stupidity that can have come only from a complete incomprehension of human nature and human motives.

Among other things, besides the nature of your house and how much heat finds its way into its various rooms from the outside, it will depend upon your personal habits and the makeup of your family.

The law of nature governed sovereigns in their relationship to their own citizens, to foreigners, and to each other in a conceptually unified system.

The simple, naked idea of one man chasing another is of its nature better fitted for the film than it is for any other form of fiction.

It is the business of cosmologists, the scientists who study the nature and structure of the universe, to try to solve the great cosmic mysteries by using keys that have clicked open other doors.

Things as we see them, and as they really are, are one, that each stresses the nature of the other in a single unity.

While Renaissance artists sought nature to find their style, the Mannerists looked first for a style and found a manner. In Mannerist paintings, compositions can have no focal point, space can be ambiguous, figures can be characterized by an athletic bending and twisting with distortions, exaggerations, an elastic elongation of the limbs, bizarre posturing on one hand, graceful posturing on the other hand, and a rendering of the heads as uniformly small and oval.

But all of them seemed to agree that, " There is some body or other that is of its own nature supremely cold and by participation of which all other bodies obtain that quality.

According to Tylor, animism often includes " an idea of pervading life and will in nature "; i. e., a belief that natural objects other than humans have souls.

Two aspects of this attitude deserve to be mentioned: 1 ) he did not only study science from books, as other academics did in his day, but actually observed and experimented with nature ( the rumours starting by those who did not understand this are probably at the source of Albert's supposed connections with alchemy and witchcraft ), 2 ) he took from Aristotle the view that scientific method had to be appropriate to the objects of the scientific discipline at hand ( in discussions with Roger Bacon, who, like many 20th century academics, thought that all science should be based on mathematics ).

Of other works only fragments and the titles have survived: Messeniakos, advocating the freedom of the Messenians and containing the sentiment that " God has left all men free ; nature has made no man a slave "; a Eulogy of Death, in consideration of the wide extent of human sufferings ; a Techne or instruction-book in the art

18 ; 20-21 .</ ref > These examples further show how Anaximenes like the other Milesians looked for the broader picture in nature, seeking unifying causes for diversely occurring events rather than treating each one on a case-by-case basis or attributing them to gods or a personified nature.

But as soon as they leave the shade, and by the presence of the real objects, which actuate our passions and sentiments, are put in opposition to the more powerful principles of our nature, they vanish like smoke, and leave the most determined skeptic in the same condition as other mortals.

However, as with other penicillin drugs, it is relatively non-toxic and adverse effects of a serious nature are encountered only rarely.

During the late 19th century, ideas about the legendary nature of Atlantis were combined with stories of other lost continents such as Mu and Lemuria.

Accordingly, the wings attributed to these powers have no other meaning than to indicate the sublimity of their nature.

His motivation for changing it to something meaning ' the East electrode ' ( other candidates had been " eastode ", " oriode " and " anatolode ") was to make it immune to a possible later change in the direction convention for current, whose exact nature was not known at the time.

72 ) defines affray as taking part in a fight in a public highway or taking part in a fight of such a nature as to alarm the public in any other place to which the public have access.

Section 72 says " Any person who takes part in a fight in a public place, or takes part in a fight of such a nature as to alarm the public in any other place to which the public have access, commits a misdemeanour.

As a result of their views on the nature of baptism and other issues, Anabaptists were heavily persecuted during the 16th century and into the 17th by both Magisterial Protestants and Roman Catholics.

Science, on the other hand, is the outcome of " right reasoning ," which is based on " natural sense and imagination ", a kind of sensitivity to nature, as " nature it selfe cannot erre.