1 is a fixed point of formula_1 because formula_2. Some functions do not have fixed points. For example formula_3 does not have one because formula_3 is never equal to "x".
Emperor Seiwa
This prince's personal name ("imina") was before he became the monarch. In the Imperial House of Japan, Korehito was the first to have the suffix "-hito" 仁 in his name.
Korehito was the fourth son of Emperor Montoku. His mother was the daughter of Fujiwara no Yoshifusa (藤原良房), who was regent and great minister of the council of state.
Prince Korehito became emperor at the age of 8, but the real power was held by his grandfather, Yoshifusa.
The actual site of Seiwa's grave is known. This emperor is traditionally venerated at a memorial Shinto shrine ("misasagi") at Kyoto. The Imperial Household Agency designates this location as Seiwa's mausoleum. It is formally named "Minooyama no misasagi". From the site of his tomb, he was sometimes referred to as Mizunoo (水尾).
The "kami" of Emperor Seiwa is venerated at Seiwa-tennō-sha in Saga, Yamashiro province.
The years of Seiwa's reign are identified by more than one era name or "nengō".
Standard ML
Standard ML is a functional programming language which is a dialect of ML (programming language). It is sometimes used for writing compilers and in theorem provers.
Here is an example of a factorial function written in a simple, non-tail recursive, style.
Droste effect
The Droste Effect is the name for a picture which contains a smaller image of itself, which in turn contains a smaller image of itself, etc. It is named after an advertisement. It is an example of recursion. In art, this is known as mise en abyme. In theory, the recursion goes on forever, but in practice, the number of recursions is limited by the resolution of the image. In practice, there are few iterations, until the size falls below 1 x 1 = 1 px. The reason for this is that this is a geometric progression, and each iteration reduces the size of the image. It is a visual example of a strange loop, a self-referential system of instancing which is the cornerstone of fractal geometry.
Already Gone
"Already Gone" is a song by the recording artist Kelly Clarkson from her 2009 record "All I Ever Wanted". This was the third single from that album to be released. The song is about the breakup of a relationship. Its release was surrounded by controversy: Clarkson said the arrangement used for the song was strongly similar to the 2008 song "Halo" from singer Beyoncé and feared the public would say Clarkson had stolen it. Despite this, however, the song received strong praise from critics, and "Already Gone" became one of the highlights from "All I Ever Wanted". On the "Billboard" Hot 100 the single peaked at #13.
De Morgan's laws
In boolean algebra, DeMorgan's laws are the laws of how a NOT gate affects AND and OR statements:
They can be remembered by "break the line, change the sign".
The following truth tables prove DeMorgan's laws.
Tiberius Gracchus
Tiberius Sempronius Gracchus (163/162 BC- 133 BC) was an important Roman Tribune of the plebs. He proposed a reform called the "Lex Sempronia Agraria". This was meant to reduce the number of poor and homeless people by allowing the rich to have only a certain amount of land. The rest of the land would be given to homeless veterans of the Roman military. But the Roman Senate did not like his plan. They convinced another tribune, named Marcus Octavius, to oppose Tiberius Gracchus. Eventually, enough tension built up that some of the Senators beat Tiberius to death with their chairs and threw his dead body into the Tiber. Tiberius' death is seen as the first death caused by political problems in the Roman government.
Tiberius' brother, Gaius Gracchus, also tried to reform the Roman government and was also killed. Together, the two are called the Gracchi. Their attempts at reform had a lasting effect on Rome, because later on the Senate used some of the ideas from their reforms in their own laws.
Random walk
A random walk is made by taking random steps.
Constrictor knot
A constrictor knot is a type of knot that is tied around another rope. It is a secure knot, but it can be difficult to untie after it is tightened.
Waiting to Exhale
Waiting to Exhale is a 1995 American romance movie. It came out in December 1995. The cast for the movie includes Angela Bassett and Whitney Houston. The movie is about four women who live in Phoenix, Arizona and their relationships with men. "Waiting to Exhale" is unusual because it has an all African-American cast.
Soho
Soho is an area of the City of Westminster and the West End of London. It is long established as an entertainment district. For much of the 20th century Soho had sex shops, prostitutes, jazz clubs, bars, night clubs, theatres and the movie industry.
Since the early 1980s, the area has changed greatly: it has moved upmarket. It now is a fashionable district of expensive restaurants and media offices, with only a few sex industry venues. Some music venues survive, such as Ronnie Scott's Jazz Club. The area includes Carnaby Street, the centre of the 'Swinging London' fashion scene of the 1960s, and Wardour Street, a centre of the movie and entertainment industry.
Soho was never an administrative unit with formal boundaries. It is an area of about a square mile, bounded by Oxford Street to the north, Regent Street to the west, Leicester Square to the south and Charing Cross Road to the east. Apart from Oxford Street, all of these roads are 19th-century metropolitan improvements.
The area to the west is known as Mayfair, to the north Fitzrovia, to the east St Giles and Covent Garden, and to the south St James's. According to the Soho Society, Chinatown, the area between Leicester Square to the south and Shaftesbury Avenue to the north, is part of Soho, although some consider it a separate area.
A significant event in the history of epidemiology and public health was Dr. John Snow's study of an 1854 outbreak of cholera in Soho. He identified the cause of the outbreak as water from the public water pump located at the junction of Broad Street (now Broadwick Street) and Cambridge Street (now Lexington Street), close to the rear wall of what is today the "John Snow" public house.
John Snow mapped the addresses of the sick, and noted that they were mostly people whose nearest access to water was the Broad Street pump. He persuaded the authorities to remove the handle of the pump, thus preventing any more of the infected water from being collected. The spring below the pump was later found to have been contaminated with sewage. This is an early example of epidemiology, public health medicine and the application of science–the germ theory of disease.
Science writer Steven Johnson describes the 2006 appearance of places related to the Broad Street Pump cholera outbreak:
A replica of the pump, with a memorial plaque and without a handle (to signify John Snow's action to halt the outbreak) was erected near the location of the original pump.
Soho is near the heart of London's theatre area, and is a centre of the independent movie and video industry as well as the television and movie 'post-production' industry. It is home to Soho Theatre, built in 2000 for new plays and stand-up comedy. The British Board of Film Classification, formerly known as the British Board of Film Censors, can be found in Soho Square.
Soho is criss-crossed by a rooftop telecommunication network, and below ground level with fibre optics making up Sohonet, which connects the Soho media and post-production community to British movie studios such as Pinewood Studios and Shepperton Studios, and to other major production centres (such as Rome, New York City, Los Angeles, Sydney and Wellington, New Zealand.
There are also plans by Westminster Council to deploy high-bandwidth Wi-Fi networks in Soho as part of a programme to further encourage the development of the area as a centre for media and technology industries.