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G. H. Hardy, A Mathematician's Apology (1940) He [Russell] said once, after some contact with the Chinese language, that he was horrified to find that the language of Principia Mathematica was an Indo-European one. John Edensor Littlewood, Littlewood's Miscellany (1986) The Principia Mathematica (often abbreviated PM) is a three-volume work on the foundations of mathematics written by ...
In mathematics, a norm is a function from a real or complex vector space to the non-negative real numbers that behaves in certain ways like the distance from the origin: it commutes with scaling, obeys a form of the triangle inequality, and is zero only at the origin. In particular, the Euclidean distance in a Euclidean space is defined by a ...
ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [ 1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They are the most widely used of the country codes published by ISO (the ...
August 15, 2024 at 6:35 PM. By Christy Santhosh. (Reuters) -Lykos Therapeutics will lay off 75% of its workforce, or about 100 employees, and founder Rick Doblin will leave the board, the company ...
The Dow fell by more than 900 points, or 2%, in mid-morning trading. CNN’s Fear & Greed Index, which measures seven barometers of market sentiment, fell to a “fear” reading of 26.
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A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent . Powers of two with non-negative exponents are integers: 20 = 1, 21 = 2, and 2n is two multiplied by itself n times. [ 1][ 2] The first ten powers of 2 for non-negative values of n are:
1-Aminopropan-2-ol is the organic compound with the formula CH 3 CH(OH)CH 2 NH 2. It is an amino alcohol. The term isopropanolamine may also refer more generally to the additional homologs diisopropanolamine (DIPA) and triisopropanolamine (TIPA). 1-Aminopropan-2-ol is chiral. It can be prepared by the addition of aqueous ammonia to propylene ...