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ABBA are a Swedish pop group formed in Stockholm in 1972 by Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad. The group's name is an acronym of the first letters of their first names arranged in a chiastic pattern. Widely considered one of the greatest musical groups of all time, they became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1974 to 1983. They have achieved 48 hit singles.
In mathematics, non-Euclidean geometry consists of two geometries based on axioms closely related to those that specify Euclidean geometry. As Euclidean geometry lies at the intersection of metric geometry and affine geometry, non-Euclidean geometry arises by either relaxing the metric requirement, or replacing the parallel postulate with an alternative. In the latter case one obtains hyperbolic geometry and elliptic geometry, the traditional non-Euclidean geometries. When the metric requirement is relaxed, then there are affine planes associated with the planar algebras, which give rise to kinematic geometries that have also been called non-Euclidean geometry.
Deductive reasoning, also deductive logic, is the process of reasoning from one or more statements (premises) to reach a logical conclusion.
Agneta Åse Fältskog, known as Agnetha Fältskog, is a Swedish singer, songwriter, musician and actress. She first achieved success in Sweden with the release of her 1968 self-titled debut album, and later achieved international stardom in the 1970s as a member of the pop group ABBA. The group has sold over 180 million albums and singles worldwide, making it one of the best-selling music acts in history.
Eminent Victorians is a book by Lytton Strachey, first published in 1918 and consisting of biographies of four leading figures from the Victorian era. Its fame rests on the irreverence and wit Strachey brought to bear on three men and a woman who had until then been regarded as heroes: Cardinal Manning, Florence Nightingale, Thomas Arnold and General Gordon. The book shows its other subjects in a less than flattering light; for instance, the intrigues of Cardinal Manning against Cardinal Newman.
In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case. Examples of isosceles triangles include the isosceles right triangle, the golden triangle, and the faces of bipyramids and certain Catalan solids.
Anglo-Egyptian Sudan was a condominium of the United Kingdom and Egypt in the Sudans region of northern Africa between 1899 and 1956, corresponding mostly to the territory of present day Sudan, and South Sudan. Legally, sovereignty and administration were shared between both Egypt and the United Kingdom, but in practice the structure of the condominium ensured effective British control over Sudan, with Egypt having limited, local power influence in reality. Following the Egyptian Revolution of 1952, Egypt pushed for an end to the condominium, and the independence of Sudan. By agreement between Egypt and the United Kingdom in 1953, Sudan was granted independence as the Republic of the Sudan on 1 January 1956. In 2011, the south of Sudan itself became independent as the Republic of South Sudan.
Abbas Amir-Entezam was an Iranian politician who served as deputy prime minister in the Interim Cabinet of Mehdi Bazargan in 1979. In 1981 he was sentenced to life imprisonment on charges of spying for the U.S., a charge critics suggest was a cover for retaliation against his early opposition to theocratic government in Iran. He was "the longest-held political prisoner in the Islamic Republic of Iran". According to Fariba Amini, as of 2006 he had "been in jail for 17 years and in and out of jail for the last ten years, altogether for 27 years."
A Saccheri quadrilateral is a quadrilateral with two equal sides perpendicular to the base. It is named after Giovanni Gerolamo Saccheri, who used it extensively in his book Euclides ab omni naevo vindicatus first published in 1733, an attempt to prove the parallel postulate using the method Reductio ad absurdum.
Khartoum Variations is the first of six releases in 2006 by singer/songwriter Jandek. Released by Corwood Industries, it is his 44th album overall. The recordings are alternate versions of seven of the eight songs from his previous album, Khartoum.
Colonel John Donald Hamill Stewart, CMG (15 October 1845 – 26 September 1884) was a British soldier. He accompanied General Gordon to Khartoum in 1884 as his assistant. He died in September 1884 attempting to run the blockade from the besieged city at the hands of the Manasir tribesmen and followers of Muhammad Ahmad Al-Mahdi.
In trigonometry, the law of cosines relates the lengths of the sides of a triangle to the cosine of one of its angles. Using notation as in Fig. 1, the law of cosines states
Abbas Qomi also known as Mohaddith Qomi was a Shia scholar, historian, and hadith narrator. He wrote books, including Mafatih al-Janan.
The mass media in South Sudan is underdeveloped compared to many other countries, including fellow East African states like Kenya, Tanzania, and Uganda. Poor transportation infrastructure and entrenched poverty in the country inhibit both the circulation of newspapers, particularly in states located far from the capital of Juba, and the ability of media outlets to maintain regular coverage of the entire country.
In geometry, the parallel postulate, also called Euclid's fifth postulate because it is the fifth postulate in Euclid's Elements, is a distinctive axiom in Euclidean geometry. It states that, in two-dimensional geometry:
If a line segment intersects two straight lines forming two interior angles on the same side that sum to less than two right angles, then the two lines, if extended indefinitely, meet on that side on which the angles sum to less than two right angles.
B. P. Acharya is a senior officer of the 1983 batch Indian Administrative Service (IAS). He was Director General for MCR HRD Institute and also Special Chief Secretary in General Administration Department for Telangana State. He was Special Chief Secretary, Planning in Telangana State until December 2017.
Hassan Abshenasan was one of the commanders of the Ground Forces of Islamic Republic of Iran Army who was killed in the Iran–Iraq war.
Ali Abbas is a Pakistani television and film actor.
Giyorgis of Segla, also known as Giyorgis of Gesecha or Abba Giyorgis, was an Ethiopian Oriental Orthodox monk, saint, and author of religious books.
Azhar Abbas is a senior journalist and the current managing director of Geo News Karachi. He has been involved in mainstream journalism since 1990. He started his career with English-language daily newspaper as a reporter. He had completed his master's degree in economics from University of Karachi in 1990. He is recipient of the Fulbright Scholarship program and studied at Boston University and Newhouse School of Communication. Azhar abbas has also worked for Dawn News Channel as director of news and current affairs. He joined Bol News when the network was established but left after the Axact scandal. He is a strong supporter of the journalistic community in Pakistan and their well-being.
