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In mathematics, cardinal numbers, or cardinals for short, are a generalization of the natural numbers used to measure the cardinality (size) of sets. The cardinality of a finite set is a natural number: the number of elements in the set. The transfinite cardinal numbers, often denoted using the Hebrew symbol (aleph) followed by a subscript, describe the sizes of infinite sets.
In mathematics, a set is a well-defined collection of distinct objects, considered as an object in its own right. The arrangement of the objects in the set does not matter. A set may be denoted by placing its objects between a pair of curly braces. For example, the numbers 2, 4, and 6 are distinct objects when considered separately; when considered collectively, they form a single set of size three, written as {2, 4, 6}, which could also be written as {2, 6, 4}, {4, 2, 6}, {4, 6, 2}, {6, 2, 4} or {6, 4, 2}. Sets can also be denoted using capital roman letters in italic such as , , .
Vitiligo is a long-term skin condition characterized by patches of the skin losing their pigment. The patches of skin affected become white and usually have sharp margins. The hair from the skin may also become white. The inside of the mouth and nose may also be involved. Typically both sides of the body are affected. Often the patches begin on areas of skin that are exposed to the sun. It is more noticeable in people with dark skin. Vitiligo may result in psychological stress and those affected may be stigmatized.
Fluoride is an inorganic, monatomic anion with the chemical formula F−
, whose salts are typically white or colorless. Fluoride salts typically have distinctive bitter tastes, and are odorless. Its salts and minerals are important chemical reagents and industrial chemicals, mainly used in the production of hydrogen fluoride for fluorocarbons. Fluoride is classified as a weak base since it only partially associates in solution, but concentrated fluoride is corrosive and can attack the skin.
Daniel Pipes is an American historian, writer, and commentator. He is the president of the Middle East Forum, and publisher of its Middle East Quarterly journal. His writing focuses on American foreign policy and the Middle East.
Victor Gollancz Ltd was a major British book publishing house of the twentieth century and continues to publish science fiction and fantasy titles as an imprint of Orion Publishing Group. It was founded in 1927 by Victor Gollancz and specialised in the publication of high quality literature, nonfiction and popular fiction, including crime, detective, mystery, thriller and science fiction. Upon Gollancz's death in 1967, ownership passed to his daughter, Livia, who sold it to Houghton Mifflin in 1989. Three years later, in October 1992, Houghton Mifflin sold Gollancz to the publishing house Cassell & Co. Cassell and its parent company Orion Publishing Group were acquired by Hachette in 1996, and in December 1998 the merged Orion/Cassell group turned Gollancz into its science fiction/fantasy imprint.
Visual memory describes the relationship between perceptual processing and the encoding, storage and retrieval of the resulting neural representations. Visual memory occurs over a broad time range spanning from eye movements to years in order to visually navigate to a previously visited location. Visual memory is a form of memory which preserves some characteristics of our senses pertaining to visual experience. We are able to place in memory visual information which resembles objects, places, animals or people in a mental image. The experience of visual memory is also referred to as the mind's eye through which we can retrieve from our memory a mental image of original objects, places, animals or people. Visual memory is one of several cognitive systems, which are all interconnected parts that combine to form the human memory. Types of palinopsia, the persistence or recurrence of a visual image after the stimulus has been removed, is a dysfunction of visual memory.
The Parliament of Scotland was the legislature of the Kingdom of Scotland. The parliament, like other such institutions, evolved during the Middle Ages from the king's council of bishops and earls. It is first identifiable as a parliament in 1235, during the reign of Alexander II, when it was described as a "colloquium" and already possessed a political and judicial role. By the early 14th century, the attendance of knights and freeholders had become important, and from 1326 commissioners from the burghs attended. Consisting of the "three estates" of clergy, nobility and the burghs sitting in a single chamber, the parliament gave consent for the raising of taxation and played an important role in the administration of justice, foreign policy, war, and all manner of other legislation. Parliamentary business was also carried out by "sister" institutions, such as General Councils or Convention of Estates. These could carry out much business also dealt with by parliament – taxation, legislation and policy-making – but lacked the ultimate authority of a full parliament.
The great hornbill also known as the concave-casqued hornbill, great Indian hornbill or great pied hornbill, is one of the larger members of the hornbill family. It is found in the Indian subcontinent and Southeast Asia. Its impressive size and colour have made it important in many tribal cultures and rituals. The great hornbill is long-lived, living for nearly 50 years in captivity. It is predominantly frugivorous, but is an opportunist and will prey on small mammals, reptiles and birds.
The arrondissement of Soissons is an arrondissement of France in the Aisne department in the Hauts-de-France region. It has 166 communes. Its population is 107,744 (2016), and its area is 1,342.3 km2 (518.3 sq mi).
HHV Latency Associated Transcript is a length of RNA which accumulates in cells hosting long-term, or latent, Human Herpes Virus (HHV) infections. The LAT RNA is produced by genetic transcription from a certain region of the viral DNA. LAT regulates the viral genome and interferes with the normal activities of the infected host cell.
NGC 2366 is a Magellanic barred irregular dwarf galaxy located in the constellation Camelopardalis.
Bugha al-Kabir, also known as Bugha al-Turki, was a 9th-century Turkic general who served the Abbasid Caliphate.
Muriel a andělé is a comic album written by Miloš Macourek and drawn by Kája Saudek, originally created in the late 1960s and published in 1991. The album is considered one of the masterworks of Czech comics; it was voted the best Czech comic in a poll held by the newspaper Mladá fronta DNES in 2009. Muriel and Angels tells the story of a young physician Muriel Ray and her friend Ro, a winged angel who came to Earth from a distant future. The main character was inspired by the Czech film star Olga Schoberová, and the main antagonist, militant general Ian Xeron, was inspired by Saudek's twin brother, photographer Jan Saudek.
In mathematics, the principle of permanence states that a complex function, suitably well-behaved, which is 0 on a set containing a non-isolated point is 0 everywhere. There are various statements of the principle, depending on the type of function or equation considered.
Muriel a oranžová smrt is a Czech comic album written by Miloš Macourek and drawn by Kája Saudek in 1969/1970. The story was inspired by the Warsaw Pact invasion of Czechoslovakia in 1968. The album is the second and the last part of the planned cycle of adventures of young physician Muriel and her friend, angel Ró. It is considered one of the masterpieces of Czech comics. The 1st edition of the album was published in 2009, forty years after its creation, and sold out in four days.
Ian David Bent is a British-born music scholar. He is now Professor Emeritus, after retiring from Full Professor of Music, at Columbia University and Honorary Professor in the History of Music Theory at the University of Cambridge.
Howard Hawks Mitchell was an American mathematician who worked on group theory and number theory and who introduced Mitchell's group.
Government in early modern Scotland included all forms of administration, from the crown, through national institutions, to systems of local government and the law, between the early sixteenth century and the mid-eighteenth century. It roughly corresponds to the early modern era in Europe, beginning with the Renaissance and Reformation and ending with the last Jacobite risings and the beginnings of the industrial revolution. Monarchs of this period were the Stuarts: James IV, James V, Mary Queen of Scots, James VI, Charles I, Charles II, James VII, William III and Mary II, Anne, and the Hanoverians: George I and George II.
Joe Barnett Cannon is an American politician. He served as a Democratic member in the Texas House of Representatives from 1959 to 1964.