Although it's increasingly common for couples – particularly younger couples – to have " power neutral " relationships and / or play styles, activities and relationships within a BDSM context are often characterized by the participants ' taking on complementary, but unequal roles ; thus, the idea of informed consent of both the partners becomes essential.

According to US President John Adams, Ponet's work contained " all the essential principles of liberty, which were afterward dilated on by Sidney and Locke ", including the idea of a three-branched government.

Ward and Brownlee are open to the idea of evolution on other planets which is not based on essential Earth-like characteristics ( such as DNA and carbon ).

Earthdawns magic system is highly varied but the essential idea is that all player characters ( called Adepts ) have access to magic, used to perform abilities attained through their Disciplines.

Voltairine de Cleyre, summed up the philosophy by saying that the anarchist individualists " are firm in the idea that the system of employer and employed, buying and selling, banking, and all the other essential institutions of Commercialism, centred upon private property, are in themselves good, and are rendered vicious merely by the interference of the State.

Justin had, like others, the idea that the Greek philosophers had derived, if not borrowed, the most essential elements of truth found in their teaching from the Old Testament.

The idea was that it would be essential for the defense of Germany and indeed all of Western Europe.

For both Whitehead and Hartshorne, it is an essential attribute of God to be fully involved in and affected by temporal processes, an idea that conflicts with traditional forms of theism that hold God to be in all respects non-temporal ( eternal ), unchanging ( immutable ), and unaffected by the world ( impassible ).

Experiments into what made plants grow first led to the idea that the ash left behind when plant matter was burned was the essential element but overlooked the role of nitrogen, which is not left on the ground after combustion.

As the U. S. Supreme Court has explained, a due process requirement in Britain was not " essential to the idea of due process of law in the prosecution and punishment of crimes, but was only mentioned as an example and illustration of due process of law as it actually existed in cases in which it was customarily used.

He was also deeply interested in the idea of survival in the face of hostile elements, historical change, and natural decay ; at the same time he advocated abandoning waste and illusion in order to discover life's true essential needs.

The essential idea is that a " con artist " Mr. X, makes only one payment.

" The fundamental idea of 1924 thesis was the following: The fact that, following Einstein's introduction of photons in light waves, one knew that light contains particles which are concentrations of energy incorporated into the wave, suggests that all particles, like the electron, must be transported by a wave into which it is incorporated ... My essential idea was to extend to all particles the coexistence of waves and particles discovered by Einstein in 1905 in the case of light and photons.

The essential idea behind relational quantum mechanics, following the precedent of special relativity, is that different observers may give different accounts of the same series of events: for example, to one observer at a given point in time, a system may be in a single, " collapsed " eigenstate, while to another observer at the same time, it may be in a superposition of two or more states.

Boullée promoted the idea of making architecture expressive of its purpose, a doctrine that his detractors termed architecture parlante (" talking architecture "), which was an essential element in Beaux-Arts architectural training in the later 19th century.

Such elements include the essential idea of narrative structure, with identifiable beginnings, middles and endings, or exposition-development-climax-resolution-denouement, normally constructed into coherent plot lines ; a strong focus on temporality, which includes retention of the past, attention to present action, and protention / future anticipation ; a substantial focus on characters and characterization which is " arguably the most important single component of the novel "; a given heterogloss of different voices dialogically at play – " the sound of the human voice, or many voices, speaking in a variety of accents, rhythms and registers "; possesses a narrator or narrator-like voice, which by definition " addresses " and " interacts with " reading audiences ( see Reader Response theory ); communicates with a Wayne Booth-esque rhetorical thrust, a dialectic process of interpretation, which is at times beneath the surface, conditioning a plotted narrative, and other at other times much more visible, " arguing " for and against various positions ; relies substantially on now-standard aesthetic figuration, particularly including the use of metaphor, metonymy, synecdoche and irony ( see Hayden White, Metahistory for expansion of this idea ); is often enmeshed in intertextuality, with copious connections, references, allusions, similarities, parallels, etc.

An essential idea of the MIT exokernel system is that the operating system should act as an executive for small programs provided by the application software, which are constrained only by the requirement that the exokernel must be able to guarantee that they use the hardware safely.

" which argued that the " Bible, alongside our senses, supported the idea that the earth was flat and immovable and this essential truth should not be set aside for a system based solely on human conjecture ".

Heavily influenced by the work of Gloria Anzaldúa, Eve Kosofsky Sedgwick, Judith Butler, and Lauren Berlant, queer theory builds both upon feminist challenges to the idea that gender is part of the essential self and upon gay / lesbian studies ' close examination of the socially constructed nature of sexual acts and identities.

The essential idea is to wet the entire sheet of paper, laid flat, until the surface no longer wicks up water but lets it sit on the surface, then to plunge in with a large brush saturated with paint.

The fundamental idea of " gentry ", symbolised in this grant of coat-armour, had come to be that of the essential superiority of the fighting man, and, as Selden points out ( page 707 ), the fiction was usually maintained in the granting of arms " to an ennobled person though of the long Robe wherein he hath little use of them as they mean a shield.

This idea, while considered essential to today's practice of medicine, was developed in the last 50 years.

It was essential that he should restore his formidable reputation as a rip-roaring, ruthless gun-slinger, and this was the time-honored Wild West method of doing it.

This right of the State, its upholders contended, was essential to maintain the federal balance and protect the liberty of the people from the danger of centralizing power in the Union government.

Often it is recognized that all the details of the pattern may not be essential to the outcome but, because the pattern was empirically determined and not developed through theoretical understanding, one is never quite certain which behavior elements are effective, and the whole pattern becomes ritualized.

He concluded that selective service would not only prevent the disorganization of essential war industries but would avoid the undesirable moral effects of the British reliance on enlistment only -- `` where the feeling of the people was whipped into a frenzy by girls pinning white feathers on reluctant young men, orators preaching hate of the Germans, and newspapers exaggerating enemy outrages to make men enlist out of motives of revenge and retaliation ''.

But that year was different, for just as the city, in the form of my street clothes, had intruded upon my mountain nights, so an essential part of the summer gave promise of continuing into the fall: Jessica and I, about to be separated not by a mere footbridge or messhall kitchen but by the immense obstacle of residing in cruelly distant boroughs, had agreed to correspond.

And though in his later years he revised his poems many times, the revisions did not alter the essential nature of the style which he had established before he was thirty ; ;

The essential characteristic of an optimal policy when the state of the stream is transformed in a sequence of stages with no feedback was first isolated by Bellman.

But the time came when a church that had no part in the missionary movement was looked upon as deficient in its essential life.

With the other members of the patents committee -- Wilfred C. Leland, Howard E. Coffin, Windsor T. White, and W. H. Vandervoort -- Hanch drafted a cross-licensing agreement whose essential feature of royalty-free licensing was his own contribution.

To hold them was an essential part of French policy, for they controlled the upper termini of the routes from the north to Mobile.

They `` operate on a volume basis '', it was contended, `` and are not essential to provide the more limited but vital shopping needs of the community ''.

`` I did not perceive this essential distinction either, First-Born '', Hesperus said at once, `` I was only practicing a concept that Jack taught me, called a deal ''.

From the start, it was clear that bipartisan support would be essential to success in the war effort, and any manner of compromise alienated factions on both sides of the aisle, such as the appointment of Republicans and Democrats to command positions in the Union Army.

He probably performed his verses at drinking parties for friends and political allies — men for whom loyalty was essential, particularly in such troubled times.

Pobedonostsev awakened in his pupil little love of abstract study or prolonged intellectual exertion, but instilled into the young man's mind the belief that zeal for Russian Orthodox thought was an essential factor of Russian patriotism to be cultivated by every right-minded emperor.

Johnson departed from his southern allies supporting slavery when he maintained that slavery was essential to the very preservation of the Union.

Restoring religion and learning in Wessex, Abels contends, was to Alfred's mind as essential to the defence of his realm as the building of the burhs.

Throughout the 5th century BC, Athens sought to consolidate its control over Thrace, which was strategically important because of its primary materials ( the gold and silver of the Pangaion hills and the dense forests essential for naval construction ), and the sea routes vital for Athens ' supply of grain from Scythia.

He established the consistent use of the chemical balance, used oxygen to overthrow the phlogiston theory, and developed a new system of chemical nomenclature which held that oxygen was an essential constituent of all acids ( which later turned out to be erroneous ).

Carnegie believed the concentration of capital was essential for societal progress and should be encouraged.

Stemming from this, the Parliament of England decided that, to ensure the stability and future prosperity of Great Britain, full union of the two parliaments and nations was essential before Anne's death and used a combination of exclusionary legislation ( the Alien Act of 1705 ), politics, and bribery to achieve it within three years under the Act of Union 1707.

Exactly-once mode was essential for operations which were not idempotent ; in this mode, the responder kept a copy of the response buffers in memory until successful receipt of a release packet from the requestor, or until a timeout elapsed.

It is possible he had begun learning this skill during his early training with his father, as it was also an essential skill of the goldsmith.

Another essential was creating the required network of interconnections between computing elements.