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In mathematics, and especially in category theory, a commutative diagram is a diagram of objects, also known as vertices, and morphisms, also known as arrows or edges, such that when selecting two objects any directed path through the diagram leads to the same result by composition.
6.20 U. 6.21 V. 6.22 W. 6.23 Y. 7 Heraldic ... graphemes that are part of a writing system that encodes a full spoken language are included in ... Math; Mjölnir; N ...
Name First elements Short description OEIS Mersenne prime exponents : 2, 3, 5, 7, 13, 17, 19, 31, 61, 89, ... Primes p such that 2 p − 1 is prime.: A000043 ...
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
Rarely used in modern mathematics without a horizontal bar delimiting the width of its argument (see the next item). For example, √2. √ (radical symbol) 1. Denotes square root and is read as the square root of. For example, +. 2. With an integer greater than 2 as a left superscript, denotes an n th root.
Colin 'Smiley' Petersen, best known as the original dummer of Bee Gees, has died. He was 78. The Best of the Bee Gees Facebook page announced his death on Monday, Nov. 18. The page did not ...
A grapheme is the basic functional unit of a writing system. Graphemes are generally defined as minimally significant elements which, when taken together, comprise the set of symbols from which texts may be constructed. [13] All writing systems require a set of defined graphemes, collectively called a script. [14]
The bulk of the Airbus job cuts are expected to fall in the 2-billion-euro ($2.10 billion) space systems business, reeling from 1.5 billion euros of recent charges, industry sources said. Airbus ...