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Axis mundi. 18th-century illustration of Mount Kailash, depicting the holy family: Shiva and Parvati, cradling Skanda with Ganesha by Shiva's side. In astronomy, axis mundi is the Latin term for the axis of Earth between the celestial poles. In a geocentric coordinate system, this is the axis of rotation of the celestial sphere.
The first use of an equals sign, equivalent to 14 x + 15 = 71 in modern notation. From The Whetstone of Witte by Robert Recorde of Wales (1557). [1] In mathematics, an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. [2] [3] The word equation and its cognates in other ...
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, and the LaTeX symbol.
Symbols take the form of words, sounds, gestures, ideas, or visual images and are used to convey other ideas and beliefs. For example, a red octagon is a common symbol for "STOP"; on maps, blue lines often represent rivers; and a red rose often symbolizes love and compassion. Numerals are symbols for numbers; letters of an alphabet may be ...
In typography, a dinkus is a typographic symbol which often consists of three spaced asterisks in a horizontal row, i.e. ∗∗∗. The symbol has a variety of uses, and it usually denotes an intentional omission or a logical "break" of varying degree in a written work. This latter use is similar to a subsection, and it indicates to the reader ...
If the derivative does not lie on the tangent space, the right expression is the projection of the derivative over the tangent space (see covariant derivative below). Symbols of the second kind decompose the change with respect to the basis, while symbols of the first kind decompose it with respect to the dual basis.
The ouroboros is often interpreted as a symbol for eternal cyclic renewal or a cycle of life, death and rebirth; the snake's skin-sloughing symbolises the transmigration of souls. The snake biting its own tail is a fertility symbol in some religions: the tail is a phallic symbol and the mouth is a yonic or womb-like symbol.
Plus–minus sign. The plus–minus sign, ±, is a symbol with multiple meanings: In mathematics, it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction. In statistics and experimental sciences, the sign commonly indicates the confidence interval or uncertainty ...
Doves as symbols. White doves at the Blue Mosque, Mazar-i-Sharif. Doves, typically domestic pigeons white in plumage, are used in many settings as symbols of peace, freedom, or love. Doves appear in the symbolism of Judaism, Christianity, Islam and paganism, and of both military and pacifist groups.
The Greek letter sigma, from which the term "sigma male" .. Sigma male (or simply sigma) (/ s ɪ ɡ m ə m ə ɪ l / ⓘ) is a term in internet slang used most often to describe archetype of a male who is a "lone wolf".