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In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters, shade characters, and terminal graphic characters.
The style is most commonly used to represent the number sets (natural numbers), , (rational numbers), (real numbers), and (complex numbers). To imitate a bold typeface on a typewriter , a character can be typed over itself (called double-striking ); [ 1 ] symbols thus produced are called double-struck , and this name is sometimes adopted for ...
Pinterest is an American social media service for publishing and discovery of information [6] in the form of pinboards. [7] This includes recipes, home, style, motivation, and inspiration on the Internet using image sharing. [8] Pinterest, Inc. was founded by Ben Silbermann, Paul Sciarra, and Evan Sharp, [5] and is headquartered in San ...
Zermelo–Fraenkel set theory with the axiom of choice guarantees the existence of a basis of this vector space: there exists a set B of real numbers such that every real number can be written uniquely as a finite linear combination of elements of this set, using rational coefficients only, and such that no element of B is a rational linear ...
fullwidth plus sign u+ff1c ＜ fullwidth less-than sign u+ff1d ＝ fullwidth equals sign u+ff1e ＞ fullwidth greater-than sign u+ff3c \ fullwidth reverse solidus u+ff3e ^ fullwidth circumflex accent u+ff5c ｜ fullwidth vertical line u+ff5e ～ fullwidth tilde u+ffe2 ￢ fullwidth not sign u+ffe9 ￩ halfwidth leftwards arrow u+ffea ...
≅, a symbol used in approximation; The eight trigrams of the Bagua: ☰, ☱, ☲, ☳, ☴, ☵, ☶, ☷; Ξ, capital letter Xi of the Greek alphabet; 三 ...
The division sign (÷) is a mathematical symbol consisting of a short horizontal line with a dot above and another dot below, used in Anglophone countries to indicate the operation of division. This usage, though widespread in some countries, is not universal and the symbol has a different meaning in other countries.