Arthur Morrin ( 1833 ) developed the concept of sliding versus rolling friction.

Good versus evil is a common concept in high fantasy, and the character of evil is often an important concept in a work of high fantasy, as in The Lord of the Rings.

The establishment of a dual, racialized civil society was formally recognized in Estatuto do Indigenato ( The Statute of Indigenous Populations ) adopted in 1929, and was based in the subjective concept of civilization versus tribalism.

The concept of information versus the concept of document.

The concept of zugzwang ( as distinguished from the word ) must have been known to players many centuries earlier, since it is necessary to win the elementary king and rook versus king endgame, among others.

After Arthur, The Kinks made a comeback with their hit single " Lola " and the accompanying concept album Lola versus Powerman and the Moneygoround, Part One in 1970.

The concept of the " invisible hand " is nearly always generalized beyond Smith's original discussion of domestic versus foreign trade.

The " Once More, with Feeling " episode of Buffy the Vampire Slayer toys with the concept of non-diegetic versus diegetic music when the characters find themselves compelled to burst into song in the style of a musical.

The more general concept of sousveillance goes beyond just inverse surveillance and the associated twentieth century political " us versus them " framework for citizens to photograph police, shoppers to photograph shopkeepers, or passengers to photograph taxicab drivers.

This is, however, a potentially difficult concept to grasp, where managers are used to looking for opposites ; a good and a bad scenario, say, or an optimistic one versus a pessimistic one-and indeed this is the approach ( for small businesses ) advocated by Foster.

The concept of double standard has long been applied ( as early as 1872 ) to different moral structures on men versus women.

The evolution of the concept was linked to a distinction drawn between poets who wrote about war as non-combatants versus enlisted men who wrote about their experiences on the battlefield.

The concept of " balance " here often refers to an equitable trade-off between securing territory in the corner versus making good thickness toward the sides and center.

The initial concept was to have four separate tracks, but the technology available at the time, combined with the amount of space required versus that which was available within Disneyland, made such a design impossible.

It may be also possible to infer that they were familiar with the concept of a negative number as Roman merchants needed to understand and manipulate liabilities against assets and loans versus investments.

The movements were strongly associated with mysticism, and the thread connecting them was the concept of gnosis, which refers to an intimately personal kind of knowledge ( as in the Spanish conocer rather than saber or German kennen versus wissen ).

The concept of the 2D versus fighting game was still new during the early 1990s, and the game's mechanics are visibly influenced by several other modern fighting games at the time.

In the second half of the 20th century, tensions between center and periphery in Finland made the concept of a spoken standard variety less popular, and the spoken Swedish in Ostrobothnia again oriented towards Sweden, particularly when switching to more elevated registers, resulting in a relation between Standard Swedish as spoken in Western versus Southern Finland that by and large echoed the relation between Standard Swedish as spoken in Central versus Southern Sweden.

Recognizing that the Rule of Law is `` a dynamic concept which should be employed not only to safeguard the civil and political rights of the individual in a free society '', the Congress asserted that it also included the responsibility `` to establish social, economic, educational and cultural conditions under which his legitimate aspirations and dignity may be realized ''.

As a group they should be favorable to a concept of gradual Germanic infiltration although the specialist nature of much of their work, e.g. Seebohm, Gray and Finberg, tends to obscure their sympathies.

In an over-all ASW concept, dependence on and effort expended for such systems should be limited to those with proven capabilities.

It is a traditional virtue in many cultures, and a core aspect of various religious traditions, though the concept of ' others ' toward whom concern should be directed can vary among cultures and religions.

* It follows the Unix toolbox concept that each program should accomplish a single, well-done task, as opposed to attempting to accomplish everything with one tool.

Instead, the philosopher encounters a problem :" Now, if the ' to be ' of a thing could be conceived apart from that which exists, it should be represented in our mind by some note distinct from the concept of the thing itself ....

Naveh states, " The striking feature of the blitzkrieg concept is the complete absence of a coherent theory which should have served as the general cognitive basis for the actual conduct of operations ".

Pasic believed that Yugoslavia should be as centralized as possible, creating in place of distinct regional governments and identities a Greater Serbian national concept of concentrated power in the hands of Belgrade.

The central concept of utilitarianism, which was developed by Jeremy Bentham, was that that public policy should seek to provide " the greatest happiness of the greatest number ".

With the publication of Darwin's theory of evolution in 1859, the concept of a " natural system " of taxonomy gained a theoretical basis, and the idea was born that groups used in a system of classification should represent branches on the evolutionary tree of life.

Citizenship as a concept is generally hard to isolate intellectually and compare with related political notions, since it relates to many other aspects of society such as the family, military service, the individual, freedom, religion, ideas of right and wrong, ethnicity, and patterns for how a person should behave in society.

Fear of retribution for not agreeing with a concept should be eliminated.

While that system was first described in a paper by Diffie and me, it is a public key distribution system, a concept developed by Merkle, and hence should be called ' Diffie – Hellman – Merkle key exchange ' if names are to be associated with it.

While some distributists, such as Dorothy Day, have been anarchists, it should be remembered that most Chestertonian distributists are opposed to the mere concept of anarchism.

This concept should fit in a political system broadly characterized by widespread ownership of productive property.

He wrote that, because the only method by which we perceive the external world is through our senses, and that, because the senses are not infallible, we should not consider our concept of knowledge to be infallible.

A more moderate position such as J. L. Mackie's error theory suggests that false beliefs should be stripped away from a mental concept without eliminating the concept itself, the legitimate core meaning being left intact.

The threshold concept was discussed by Murray G. Crosby ( inventor of Crosby system for FM Stereo ) who pointed out that for wide band FM to provide better signal to noise ratio, the signal should be above a certain threshold, according to his paper published in Proceedings of the IRE in 1937.

There is some disagreement amongst authorities about how the concept of a fractal should be formally defined.

His concept of velayat-e-faqih (" guardianship of the jurist "), held that the leading Shia Muslim cleric in society – which Khomeini and his followers believed to be himself – should serve as head of state in order to protect or " guard " Islam and Sharia law from " innovation " and " anti-Islamic laws " passed " by sham parliaments.

The corona discharge glow at the surface of an object subjected to a high voltage electrical field is referred to as a Kirlian aura in Russia and Eastern Europe, however this should not to be confused with the paranormal concept of the aura.

According to this concept, the free unions of adults are legitimate relations which should be respected by all third parties whether they are emotional or sexual relations.

Nevertheless, it may be helpful to cite one example -- that of employment -- for, as will be shown below, it cuts across both facets of the new concept.

They recognized that slavery was a moral issue and not merely an economic interest, and that to recognize it explicitly in their Constitution would be in explosive contradiction to the concept of sovereignty they had set forth in the Declaration of 1776 that `` all men are created equal, that they are endowed by their Creator with certain unalienable rights, that among them are life, liberty and the pursuit of happiness.

A realistic balancing of the need for new forms of international organization on the one hand, and our capacity to achieve them on the other, must be approached through the concept of `` community ''.

In his concept there could be no one else present.

While it is easy enough to ridicule Hawkins' pronouncement in Pleas Of The Crown from a metaphysical point of view, the concept of the `` oneness '' of a married couple may reflect an abiding belief that the communion between husband and wife is such that their actions are not always to be regarded by the criminal law as if there were no marriage.

That we had the wit and wisdom to adopt Mr. Lowell's concept and make it the base for our processes of selection is one reason why our selections have been, it may be said truly, pretty uniformly good.

That which follows will be a discussion of principles and possible content for an over-all concept of antisubmarine warfare.

The force vector concept of Fig. 6 can readily be applied to this condition also.

and even then, it is a concept that can be highly misleading.

Yes, those could be commodities under this concept.

In 2009, the American Anthropological Association's Commission on the Engagement of Anthropology with the US Security and Intelligence Communities released its final report concluding, in part, that, " When ethnographic investigation is determined by military missions, not subject to external review, where data collection occurs in the context of war, integrated into the goals of counterinsurgency, and in a potentially coercive environment – all characteristic factors of the HTS concept and its application – it can no longer be considered a legitimate professional exercise of anthropology.

A choice function is a function f, defined on a collection X of nonempty sets, such that for every set s in X, f ( s ) is an element of s. With this concept, the axiom can be stated:

The concept that matter is composed of discrete units and cannot be divided into arbitrarily tiny quantities has been around for millennia, but these ideas were founded in abstract, philosophical reasoning rather than experimentation and empirical observation.

Kierkegaard's concept of angst is considered to be an important stepping stone for 20th-century existentialism.

As it took many years for the name " The Ashes " to be given to the ongoing series between England and Australia, there was no concept of there being a representation of the ashes being presented to the winners.

However, some anthropologists, such as Nurit Bird-David, have criticised the Tylorian concept of animism, believing it to be outdated.

By the time of the Ynglinga Saga, Snorri had developed his concept of Asgard further, although the differences might be accounted for by his sources.

This text clarified the concept of an element as a substance that could not be broken down by any known method of chemical analysis, and presented Lavoisier's theory of the formation of chemical compounds from elements.

JBK has pushed the concept of " regional " heathenry as opposed to national " internet heathenry ", and has formed an active network of " Midwest Tribes " which if organized would be one of the largest organizations in America, regularly drawing attendance of over 200 to their yearly event ( Lighting Across the Plains ).