Euclid ’ s algorithm appears as Proposition II in Book VII (" Elementary Number Theory ") of his Elements.

Alfheim (, " elf home ") is one of the Nine Worlds and home of the Light Elves in Norse mythology and appears also in Anglo-Scottish ballads under the form Elfhame ( Elphame, Elfame ) as a fairyland, sometimes modernized as Elfland ( Elfinland, Elvenland ).

The form Agade appears in Sumerian, for example in the Sumerian King List ; the later Assyro-Babylonian form Akkadû (" of or belonging to Akkad ") was likely derived from this.

In Ancient Greece, the practice of keeping a slave concubine ( Greek " pallakis ") was little recorded but appears throughout Athenian history.

In the early stages of the movement, the word " Druze " is rarely mentioned by historians, and in Druze religious texts only the word Muwaḥḥidūn (" Unitarian ") appears.

Carnwennan (" Little White-Hilt ") first appears in Culhwch and Olwen, where it was used by Arthur to slice the Very Black Witch in half.

Rhongomyniad (" spear " + " striker, slayer ") is also first mentioned in Culhwch, although only in passing ; it appears as simply Ron (" spear ") in Geoffrey's Historia.

" The root also appears in Old Saxon fri which means " beloved lady ", in Swedish as fria (" to propose for marriage ") and in Icelandic as frjá which means " to love.

He appears in folklore as a trickster, and in County Mayo thunderstorms were referred to as battles between Lugh and Balor, so he is sometimes considered a storm god: Alexei Kondratiev notes his epithet lonnbeimnech (" fierce striker ") and concludes that " if his name has any relation to ' light ' it more properly means ' lightning-flash ' ( as in Breton luc ' h and Cornish lughes )".

Cardinal Ximénez briefly appears two episodes later (" The Buzz Aldrin Show ") in a vox pop, again displaying difficulty counting ( in this instance, the kinds of aftershave he uses ).

The transmigration of souls became a Manichaean belief, and the quadripartite structure of the Manichaean community, divided between male and female monks ( the " elect ") and lay followers ( the " hearers ") who supported them, appears to be based on that of the Buddhist sangha.

The Morrígan (" phantom queen ") or Mórrígan (" great queen "), also written as Morrígu or in the plural as Morrígna, and spelt Morríghan or Mór-ríoghain in Modern Irish, is a figure from Irish mythology who appears to have been considered a goddess, although she is not explicitly referred to as such in the texts.

# The internal field of the Earth ( its " main field ") appears to be generated in the Earth's core by a dynamo process, associated with the circulation of liquid metal in the core, driven by internal heat sources.

* In F. Paul Wilson's 2009 Repairman Jack novel Ground Zero, the recurring character of The Lady is revealed to be a manifestation of the Noosphere whose function is that of a " beacon " which informs a higher intelligence (" the Ally ") that sentient life exists in the area where she appears.

A general procedure ( the chakravala, or " cyclic method ") for solving Pell's equation was finally found by Jayadeva ( cited in the eleventh century ; his work is otherwise lost ); the earliest surviving exposition appears in Bhāskara II's Bīja-gaṇita ( twelfth century ).

The mare concretum appears to match Strabo's pepēguia thalatta and is probably the same as the topoi (" places ") mentioned in Strabo's apparent description of spring drift ice, which would have stopped his voyage further north and was for him the ultimate limit of the world.

Rationality ( here equated with " wanting more rather than less of a good ") is widely used as an assumption of the behavior of individuals in microeconomic models and analysis and appears in almost all economics textbook treatments of human decision-making.

The Hebrew word " To Solomon " ( which can also be translated as " by Solomon ") appears in the title of two hymns in the book of Psalms ( Tehillim ), suggesting to some that Solomon wrote them.

The first written reference to the word, " tattoo " ( or Samoan " Tatau ") appears in the journal of Joseph Banks, the naturalist aboard Captain Cook's ship the HMS Endeavour: " I shall now mention the way they mark themselves indelibly, each of them is so marked by their humor or disposition ".

Before the time of Yang Luchan, the art appears to have been generically described by outsiders as zhan quan ( 沾拳, " touch boxing "), mian quan ( 绵拳, " soft boxing ") or shisan shi ( 十三式, " the thirteen techniques ").

Continues the following spring ( 1970 ) Epilogue is titled " February 12, 1973 ") Ryan appears for only a brief time in this novel.

The function of phylloquinone in plants appears to have no resemblance to its later metabolic and biochemical function ( as " vitamin K ") in animals, where it performs a completely different biochemical reaction.

The leader is only a spokesperson for the group when it has to deal with other groups (" international relations ") but has no inside authority, and may be violently removed if he attempts to abuse this position.

The arithmetic mean of a variable is often denoted by a bar, for example ( read " x bar ") would be the mean of some sample space.

* Equality ( or " homogeneity ") of variances, called homoscedasticity — the variance of data in groups should be the same.

Conversely, the vowel marks of the Tigrinya abugida and the Amharic abugida ( ironically, the original source of the term " abugida ") have been so completely assimilated into their consonants that the modifications are no longer systematic and have to be learned as a syllabary rather than as a segmental script.

The term " android " can mean either one of these, while a cyborg (" cybernetic organism " or " bionic man ") would be a creature that is a combination of organic and mechanical parts.

The practical definition may lead to confusion with the definition of a coulomb ( i. e., 1 amp-second ), but in practical terms this means that measures of a constant current ( e. g., the nominal flow of charge per second through a simple circuit ) will be defined in amperes ( e. g., " a 20 mA circuit ") and the flow of charge through a circuit over a period of time will be defined in coulombs ( e. g., " a variable-current circuit that flows a total of 10 coulombs over 5 seconds ").

No human being can write fast enough, or long enough, or small enough † ( †" smaller and smaller without limit ... you'd be trying to write on molecules, on atoms, on electrons ") to list all members of an enumerably infinite set by writing out their names, one after another, in some notation.

Related to this is lexicostatistics, which attempts to determine the degree of relation between a set of languages by comparing the percentage of basic vocabulary ( words like " I ", " you ", " heart ", " stone ", " two ", " be ", " and ") they share in common.

") This method cannot, however, be used to show that every countable family of nonempty sets has a choice function, as is asserted by the axiom of countable choice.

Terms used to describe the motor neuron diseases can be confusing ; in the UK " motor neuron disease " ( with " neuron " sometimes spelt " neurone ") refers to both amyotrophic lateral sclerosis ( the most common form of disease ) and to the broader spectrum of motor neuron diseases including progressive muscular atrophy, primary lateral sclerosis, and progressive bulbar palsy.

The name atom comes from the Greek ἄτομος ( atomos, " indivisible ") from ἀ-( a -, " not ") and τέμνω ( temnō, " I cut "), which means uncuttable, or indivisible, something that cannot be divided further.

If one also removes the second postulate (" a line can be extended indefinitely ") then elliptic geometry arises, where there is no parallel through a point outside a line, and in which the interior angles of a triangle add up to more than 180 degrees.

" The Covered Hall ") This abode is somewhat like Hades from Ancient Greek religion: there, something not unlike the Asphodel Meadows can be found, and people who have neither excelled in that which is good nor excelled in that which is bad can expect to go there after they die and be reunited with their loved ones.

An arithmetical unit ( the " mill ") would be able to perform all four arithmetic operations, plus comparisons and optionally square roots.

The hills just east of downtown showcase the eroded remains of the five mile ( 8 km ) wide impact crater that was blasted into the bedrock, with the area labeled the Wetumpka crater or astrobleme (" star-wound ") for the concentric rings of fractures and zones of shattered rock can be found beneath the surface.

Parsons himself only sang lead on one song (" The Raven ") through a vocoder, and can be heard singing backing vocals on a few others, including " To One in Paradise ".

A few species of hummingbirds, notably some hillstars, can be seen at altitudes above, but far higher diversities can be found at lower altitudes, especially in the humid Andean forests (" cloud forests ") growing on slopes in Colombia, Ecuador, Peru, Bolivia and far northwestern Argentina.

* Juan Maria Solare's piano ballad " Jura ser anomalía " ( literally " he / she swears to be an anomaly ") is an anagram of the composer's full name.

In the later play Frogs, Aristophanes softens his criticisms, but even so it may be only for the sake of punning on Agathon's name ( ἁγαθός = " good ") that he makes Dionysus call him a " good poet ".

He shows how a satisfying argument for the validity of experience can be based neither on demonstration ( since " it implies no contradiction that the course of nature may change ") nor experience ( since that would be a circular argument ).