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Let be an integral domain, and let = be its field of fractions.. A fractional ideal of is an -submodule of such that there exists a non-zero such that .The element can be thought of as clearing out the denominators in , hence the name fractional ideal.
Euclidean space was introduced by ancient Greeks as an abstraction of our physical space. Their great innovation, appearing in Euclid's Elements was to build and prove all geometry by starting from a few very basic properties, which are abstracted from the physical world, and cannot be mathematically proved because of the lack of more basic tools.
Mixed is an ethnic group category that was first introduced by the United Kingdom's Office for National Statistics for the 2001 Census.Colloquially, it refers to British citizens or residents whose parents are of two or more races or ethnic backgrounds.
The Hewlett-Packard Company, commonly shortened to Hewlett-Packard (/ ˈ h juː l ɪ t ˈ p æ k ər d / HEW-lit PAK-ərd) or HP, was an American multinational information technology company headquartered in Palo Alto, California.
The potato (/ p ə ˈ t eɪ t oʊ /) is a starchy tuberous vegetable native to the Americas that is consumed as a staple food in many parts of the world. Potatoes are underground tubers of the plant Solanum tuberosum, a perennial in the nightshade family Solanaceae.
Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungent smell.
Influenza, commonly known as the flu, is an infectious disease caused by influenza viruses.Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.
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