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.

The essential idea was first explored by Edward S. Morse and patented by him in 1881.

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.

I think it is essential, however, to pinpoint here the difference between the two concepts of sovereignty that went to war in 1861 -- if only to see better how imperative is our need today to clarify completely our far worse confusion on this subject.

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.

And if I have gone into so much detail about so small a work, that is because it is also so typical a work, representing the germinal form of a conflict which remains essential in Mann's writing: the crude sketch of Piepsam contains, in its critical, destructive and self-destructive tendencies, much that is enlarged and illuminated in the figures of, for instance, Naphta and Leverkuhn.

Hence government must establish greater controls upon corporations so that their activities promote what is deemed essential to the national interest.

There is essential pleasantness in reading the writing of men who are not angry, who can contend without quarreling.

Thus, circular motion is itself one of the essential characteristics of completely perfect celestial existence.

Because of these involvements in the matter at stake, Boniface lacked the impartiality that is supposed to be an essential qualification for the position of arbiter, and in retrospect that would seem to be sufficient reason why the English embassies to the Curia proved so fruitless.

In the United Nations Charter, the right of self-determination is also an essential principle.

A requirement of reasonably honest administration may be politically uncomfortable in the short run, but it is politically essential in the long run.

The Merchant Marine is the `` Fourth Arm of Defense '', for a strong and effective American Merchant Marine is essential to the economy and security of our Nation.

A blower is essential for the double-wall shelter and for the underground shelters.

A battery-powered radio is essential.

The movement of events is so fast, the pace so severe, that an attempt to peer into the future is essential if we are to think accurately about the present.

A substantial increase is estimated in the cost of operating additional communications systems in the air defense program, as well as in all programs where speed and security of communications are essential.

The second capability is represented by our deployed ground, naval, and air forces in essential forward areas, together with ready reserves capable of effecting early emergency reinforcement.

However, it is essential that the various mathematical symbols used in the equations be understood so that the mathematical processes can be done properly and in their correct order.

In analyzing the watercolors of Roy Mason, the first thing that comes to mind is their essential decorativeness, yet this word has such a varied connotation that it needs some elaboration here.

The last essential to the beginner's gymnastic program is the somersault, or forward roll.

Consultation with architects, clients, real estate men, fabric houses and furniture companies is essential to the proper development of class problems just as in actual work.