Encyclopedia : F : FS : FSI (10 articles)

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F-sigma set
In mathematics, an Fσ set (said F-sigma set) is a countable union of closed sets. The notation originated in France with F for fermé (French:closed) and σ for somme (French:union). In metrizable spaces, every open set is an Fσ set. The complement of a Fσ set is a G&delta..
F. Sionil José
F. Sionil José or Francisco Sionil José, born December 3, 1924, is one of the most widely-read Filipino writers in the English language. His series of novels and short stories depict the social underpinnings of class struggles and colonialism in Filipino society. F. Sionil José was born to a poo..
FSI
FSI is a three-letter abbreviation with multiple meanings, including: FlightSafety International[Florida Space Institute][FSI International, Inc.]Free-standing insert - an advertising supplement included with a newspaper or magazineFuel Stratified Injection - a type of gasoline ..

 

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