Before giving a mathematically precise definition, we give a brief example.

Before the speech, US delegations met with Canadian Prime Minister John Diefenbaker, British Prime Minister Harold Macmillan, West German Chancellor Konrad Adenauer, and French President Charles de Gaulle to brief them on the US intelligence and their proposed response.

Before the Intelligence Reform and Terrorism Prevention Act was passed in the wake of the September 11 attacks, the FBI director would directly brief the President of the United States on any issues that arise from within the FBI.

| 6 | Before that, Tunisia was under the Ottoman Turks who had seized lasting control in 1574 after a brief Spanish occupation.

Before her death, she called Tamura and Prince Shōtoku's son, Prince Yamashiro-no-Ōe, and gave some brief advice to each of them.

Before the big showdown, in the jail house, Martin sings " My Rifle, My Pony, and Me " ( which contained new lyrics to a Tiomkin tune that appeared in Red River ) accompanied by Nelson, after which Nelson sings a brief version of " Get Along Home, Cindy ", accompanied by Martin and Brennan.

Before reaching Wellington ( on New Zealand's North Island ), brief stops were made at Port Hardy ( on d ' Urville Island ) and Queen Charlotte Sound ( on New Zealand's South Island ) and Challenger passed through the Cook Strait to reach Wellington.

Before Star Trek: The Next Generation, McFadden often worked for Jim Henson productions, including the films The Dark Crystal ( as choreographer ), Labyrinth ( as Director of Choreography and Puppet Movement ), The Muppets Take Manhattan ( choreographer and a brief on-screen appearance ), and uncredited work on Dreamchild ( again supervising choreography and puppet movement ).

Before reaching the Indian subcontinent, Eliade also made a brief visit to Egypt.

Delpy reprised her Before Sunrise character, Céline, with a brief animated appearance in Waking Life ( 2001 ), and again in a 2004 sequel, Before Sunset.

Before becoming president, Sánchez Hernández was an army general in El Salvador and had brief stints as a military attaché in Washington ( after his participation in the overthrow of José María Lemus in 1960 ) and in Paris.

Before the use of charge-coupled devices, there was no way of recording the image of the planet in the brief moment other than having the observer remember the image and draw it later.

Before his brief dukeship, Vladislaus was Duke of Brno and Znojmo from 1191 to 1194.

She had a brief “ role ” in the Land Before Time IV.

Before we look at the main issue, hemodilution let us take a brief history into the use of blood.

Before the 20 point round started, the host conducted brief interviews with the team captains.

Before dawn, Wayne sent a brief dispatch telling Washington, " The fort and garrison, with Col. Johnson, are ours.

* AZA Begins: Before B ' nai B ' rith, a brief history of AZA and interviews

Before the team has a chance to fully brief Superman about Galactus, Galactus tracks down Superman and turns him into his new golden herald.

Before he started working on his own series, Atoms was an intern at Film Roman, a freelance artist at Warner Bros., had a brief stint at Wild Brain and had also worked on Twisted Tales of Felix the Cat.

Before Smallville, Lex's father made either brief appearances in the Superman comics or was relegated to a mere mention.

Before the suicide, Kalanta left his notebook with a brief note on a bench.

Before departing, he took a brief course at the Infantry School at Fort Benning to reacquaint himself with the infantry.

Before leaving for this, Hartree was able to brief him more fully on ENIAC.

Before rail fins became ( extremely ) popular, this tendency of " single fins " led to riders " nursing " turns-this tendency was a significant limiting factor on performance.

Before the final night's performance, $ 180, 000 of the band's money from gate receipts was stolen from a safe deposit box at the Drake Hotel.

Before filming, Mendes and Spacey analyzed Jack Lemmon's performance in The Apartment ( 1960 ), because Mendes wanted Spacey to emulate " the way moved, the way he looked, the way he was in that office and the way he was an ordinary man and yet a special man ".

Before his death in January 2006, Rawls ' last performance was a taping for the 2006 telethon that honored Wonder, months before entering the hospital after being diagnosed with cancer earlier in the year.

Before being approved for breeding, dogs and bitches must pass Hunt Test with minimum scores of their performance tests of its field, tracking and water skills.

Before each airborne operation a jumpmaster runs through the " Sustained Airborne Training " script, which contains a number of points of performance.

Davis later recalled that it inspired her full commitment to her chosen career, and said, " Before that performance I wanted to be an actress.

Before the performance Cash explained that it was " an impersonation of a rock and roll singer impersonating Elvis, is what this really is ".

Before the song, a clearly distraught Love dedicated the performance to Cobain, Pfaff, Joe Cole, and River Phoenix, all of whom had recently died.

Before the first performance Handel made numerous revisions to his manuscript score, in part to match the forces available for the 1742 Dublin premiere ; it is probable that his originally conceived version of the work was not performed in his lifetime.

Before any commercial use of QuickRing, newer versions of PCI started appearing that offered performance close enough to QuickRing to make its role redundant.

Before his rise to power, Dionysius criticized the generals of Syracuse in their poor performance against the Carthagenians.

The following year Hawke again received critical praise, this time for his performance in Richard Linklater's 1995 drama Before Sunrise.

On May 29, 2010 the premiere performance of Before Night Falls, an opera by Jorge Martín, took place at the Fort Worth Opera.

In the opinion of film critic Philip French, a film of 1958, Home Before Dark, saw her give " perhaps her finest performance as a housewife driven into a breakdown in Mervyn LeRoy's psychodrama.

Before embarking on comparison with other organizations it is essential to know the organization's function and processes ; base lining performance provides a point against which improvement effort can be measured.

Before leaving he made ten flights in the Bf 109 ; deeply impressed with the performance of the aircraft it persuaded him to change from a strike pilot to a fighter pilot.

Before Dacron, Spectra and Kevlar were available, high performance box kites used oiled silk, linen or hemp sails, and were flown with steel cable.

** Before My Fair Lady began its six-year, 2717 performance run at the Mark Hellinger Theatre in 1956, that theatre was thought to be cursed., It had been switched back and forth several times between being a motion picture theatre and a live stage theatre.

Before Depp's casting, the leading role of Edward had been connected to Tom Cruise, Tom Hanks, Robert Downey, Jr., and William Hurt, while the role of The Inventor was written specifically for Vincent Price, and was ultimately his final performance.

Posthumous releases include 3½ ; The Lost Tapes 1985 – 1988, a collection of unreleased studio sessions including cuts produced by Vitus Matare ( of L. A. s Paisley Underground heroes The Last and later Trotsky Icepick ,) and The Day Before Wine and Roses, a live radio performance recorded just prior to the release of the band's first album.

Before being associated with the Howard Stern Show, Hank had a bit part in an ongoing performance of Finnegans Wake at a Boston dinner theater.

Before their departure, Howard called Rube Jackter, head of Columbia Pictures ' sales department, to confirm their benefit performance at Boston's Children's Hospital.

Before the game started, during the performance of the National Anthems of the United States and Canada, the U. S. Marine Corps Color Guard accidentally flew the flag of Canada upside down < ref >

Before Kudirka's death, the first performance of the poem occurred at a concert in St. Petersburg, Russia in 1899.