Alpha U) - F''(x)
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Alpha U) - F''(x)
Alpha (uppercase , lowercase ; grc, ἄλφα, ''álpha'', or ell, άλφα, álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , which is the West Semitic word for " ox". Letters that arose from alpha include the Latin letter A and the Cyrillic letter А. Uses Greek In Ancient Greek, alpha was pronounced and could be either phonemically long ( ː or short ( . Where there is ambiguity, long and short alpha are sometimes written with a macron and breve today: Ᾱᾱ, Ᾰᾰ. * ὥρα = ὥρᾱ ''hōrā'' "a time" * γλῶσσα = γλῶσσᾰ ''glôssa'' "tongue" In Modern Greek, vowel length has been lost, and all instances of alpha simply represent the open front unrounded vowel . In the polytonic orthography of Greek, alpha, like other vowel letters, can occur with several diacritic marks: any of three accent symbols (), and either of two breathing marks ...
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Letter (alphabet)
A letter is a segmental symbol A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise very different conc ... of a Phonemic orthography, phonemic writing system. The inventory of all letters forms an alphabet. Letters broadly correspond to phonemes in the spoken language, spoken form of the language, although there is rarely a consistent and exact correspondence between letters and phonemes. The word ''letter'', borrowed from Old French ''letre'', entered Middle English around 1200 AD, eventually displacing the Old English term (wikt:bookstaff, bookstaff). ''Letter'' is descended from the Latin ''wikt:littera, littera'', which may have descended from the Greek "διφθέρα" (, writing tablet), via Etruscan language, Etruscan. Definition and usage A letter is a type of grapheme, which is a functional u ...
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Vowel Length
In linguistics, vowel length is the perceived length of a vowel sound: the corresponding physical measurement is duration. In some languages vowel length is an important phonemic factor, meaning vowel length can change the meaning of the word, for example in: Arabic, Estonian, Finnish, Fijian, Kannada, Malayalam, Japanese, Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ..., Old English phonology#Vowels, Old English, Scottish Gaelic phonology#Vowels, Scottish Gaelic, and Vietnamese phonology#Vowels, Vietnamese. While vowel length alone does not change word meaning in most dialects of English language, English, it is said to do so in a few dialects, such as Australian English, Lunenburg English, New Zealand English, and South African English. It also plays a lesser phone ...
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