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Saturday, March 31, 2018

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A (named , plural As, A's, as, a's or aes) is the first letter and the first vowel of the ISO basic Latin alphabet. It is similar to the Ancient Greek letter alpha, from which it derives. The upper-case version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar. The lower-case version can be written in two forms: the double-storey a and single-storey ?. The latter is commonly used in handwriting and fonts based on it, especially fonts intended to be read by children, and is also found in italic type.


Video A



History

The earliest certain ancestor of "A" is aleph (also written 'aleph), the first letter of the Phoenician alphabet, which consisted entirely of consonants (for that reason, it is also called an abjad to distinguish it from a true alphabet). In turn, the ancestor of aleph may have been a pictogram of an ox head in proto-Sinaitic script influenced by Egyptian hieroglyphs, styled as a triangular head with two horns extended.

By 1600 BC, the Phoenician alphabet letter had a linear form that served as the base for some later forms. Its name is thought to have corresponded closely to the Hebrew or Arabic aleph.

When the ancient Greeks adopted the alphabet, they had no use for a letter to represent the glottal stop--the consonant sound that the letter denoted in Phoenician and other Semitic languages, and that was the first phoneme of the Phoenician pronunciation of the letter--so they used their version of the sign to represent the vowel /a/, and called it by the similar name of alpha. In the earliest Greek inscriptions after the Greek Dark Ages, dating to the 8th century BC, the letter rests upon its side, but in the Greek alphabet of later times it generally resembles the modern capital letter, although many local varieties can be distinguished by the shortening of one leg, or by the angle at which the cross line is set.

The Etruscans brought the Greek alphabet to their civilization in the Italian Peninsula and left the letter unchanged. The Romans later adopted the Etruscan alphabet to write the Latin language, and the resulting letter was preserved in the Latin alphabet that would come to be used to write many languages, including English.

Typographic variants

During Roman times, there were many variant forms of the letter "A". First was the monumental or lapidary style, which was used when inscribing on stone or other "permanent" media. There was also a cursive style used for everyday or utilitarian writing, which was done on more perishable surfaces. Due to the "perishable" nature of these surfaces, there are not as many examples of this style as there are of the monumental, but there are still many surviving examples of different types of cursive, such as majuscule cursive, minuscule cursive, and semicursive minuscule. Variants also existed that were intermediate between the monumental and cursive styles. The known variants include the early semi-uncial, the uncial, and the later semi-uncial.

At the end of the Roman Empire (5th century AD), several variants of the cursive minuscule developed through Western Europe. Among these were the semicursive minuscule of Italy, the Merovingian script in France, the Visigothic script in Spain, and the Insular or Anglo-Irish semi-uncial or Anglo-Saxon majuscule of Great Britain. By the 9th century, the Caroline script, which was very similar to the present-day form, was the principal form used in book-making, before the advent of the printing press. This form was derived through a combining of prior forms.

15th-century Italy saw the formation of the two main variants that are known today. These variants, the Italic and Roman forms, were derived from the Caroline Script version. The Italic form, also called script a, is used in most current handwriting and consists of a circle and vertical stroke. This slowly developed from the fifth-century form resembling the Greek letter tau in the hands of medieval Irish and English writers. The Roman form is used in most printed material; it consists of a small loop with an arc over it ("a"). Both derive from the majuscule (capital) form. In Greek handwriting, it was common to join the left leg and horizontal stroke into a single loop, as demonstrated by the uncial version shown. Many fonts then made the right leg vertical. In some of these, the serif that began the right leg stroke developed into an arc, resulting in the printed form, while in others it was dropped, resulting in the modern handwritten form.

Italic type is commonly used to mark emphasis or more generally to distinguish one part of a text from the rest (set in Roman type). There are some other cases aside from italic type where script a ("?"), also called Latin alpha, is used in contrast with Latin "a" (such as in the International Phonetic Alphabet).


Maps A



Use in writing systems

English

In modern English orthography, the letter ?a? represents at least seven different vowel sounds:

  • the near-open front unrounded vowel /æ/ as in pad;
  • the open back unrounded vowel /?:/ as in father, which is closer to its original Latin and Greek sound;
  • the diphthong /e?/ as in ace and major (usually when ?a? is followed by one, or occasionally two, consonants and then another vowel letter) - this results from Middle English lengthening followed by the Great Vowel Shift;
  • the modified form of the above sound that occurs before ?r?, as in square and Mary;
  • the rounded vowel of water;
  • the shorter rounded vowel (not present in General American) in was and what;
  • a schwa, in many unstressed syllables, as in about, comma, solar.

The double ?aa? sequence does not occur in native English words, but is found in some words derived from foreign languages such as Aaron and aardvark. However, ?a? occurs in many common digraphs, all with their own sound or sounds, particularly ?ai?, ?au?, ?aw?, ?ay?, ?ea? and ?oa?.

?a? is the third-most-commonly used letter in English (after ?e? and ?t?), and the second most common in Spanish and French. In one study, on average, about 3.68% of letters used in English texts tend to be ?a?, while the number is 6.22% in Spanish and 3.95% in French.

Other languages

In most languages that use the Latin alphabet, ?a? denotes an open unrounded vowel, such as /a/, /ä/, or /?/. An exception is Saanich, in which ?a? (and the glyph Á) stands for a close-mid front unrounded vowel /e/.

Other systems

In phonetic and phonemic notation:

  • in the International Phonetic Alphabet, ?a? is used for the open front unrounded vowel, ?ä? is used for the open central unrounded vowel, and ??? is used for the open back unrounded vowel.
  • in X-SAMPA, ?a? is used for the open front unrounded vowel and ?A? is used for the open back unrounded vowel.

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Other uses

In algebra, the letter a along with other letters at the beginning of the alphabet is used to represent known quantities, whereas the letters at the end of the alphabet (x, y, z) are used to denote unknown quantities.

In geometry, capital A, B, C etc. are used to denote segments, lines, rays, etc. A capital A is also typically used as one of the letters to represent an angle in a triangle, the lowercase a representing the side opposite angle A.

"A" is often used to denote something or someone of a better or more prestigious quality or status: A-, A or A+, the best grade that can be assigned by teachers for students' schoolwork; "A grade" for clean restaurants; A-list celebrities, etc. Such associations can have a motivating effect, as exposure to the letter A has been found to improve performance, when compared with other letters.

Finally, the letter A is used to denote size, as in a narrow size shoe, or a small cup size in a brassiere.


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Related characters

Descendants and related characters in the Latin alphabet

  • Æ æ : Latin AE ligature
  • A with diacritics: Å å ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Â â ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Ä ä ? ? À à ? ? Á á ? ? ?? ?? Ã ã ? ? ?? ?? ?? ?? ?
  • Phonetic alphabet symbols related to A (the International Phonetic Alphabet only uses lowercase, but uppercase forms are used in some other writing systems):
    • ? ? : Latin letter alpha / script A, which represents an open back unrounded vowel in the IPA
    • ? : Latin small letter alpha with retroflex hook
    • ? ? : Turned A, which represents a near-open central vowel in the IPA
    • ? ? : turned V (also called a wedge, a caret, or a hat), which represents an open-mid back unrounded vowel in the IPA
    • ? ? : Turned alpha / script A, which represents an open back rounded vowel in the IPA
    • ? : Modifier letter small turned alpha
    • ? : Small capital A, an obsolete or non-standard symbol in the International Phonetic Alphabet used to represent various sounds (mainly open vowels)
    • ? ? ? : Modifier letters are used in the Uralic Phonetic Alphabet (UPA).
    • ? : Subscript small a is used in Indo-European studies
    • ? : Small letter a reversed-schwa is used in the Teuthonista phonetic transcription system

Derived signs, symbols and abbreviations

  • ª : an ordinal indicator
  • Å : Ångström sign
  • ? : a turned capital letter A, used in predicate logic to specify universal quantification ("for all")
  • @ : At sign
  • ? : Argentine austral

Ancestors and siblings in other alphabets

  • ? : Semitic letter Aleph, from which the following symbols originally derive
    • ? ? : Greek letter Alpha, from which the following letters derive
      • ? ? : Cyrillic letter A
      • ? ? : Coptic letter Alpha
      • ? : Old Italic A, which is the ancestor of modern Latin A
        • ? : Runic letter ansuz, which probably derives from old Italic A
      • ? : Gothic letter aza/asks

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Computing codes

1 Also for encodings based on ASCII, including the DOS, Windows, ISO-8859 and Macintosh families of encodings.

M/V CINZIA A - Arkas Container Transport S.A.
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Other representations


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Notes


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Footnotes


M/V SASKIA A - Arkas Container Transport S.A.
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References

  • Anon (2004). "English Letter Frequency". Math Explorer's Club. Cornell University. Archived from the original on 28 May 2014. Retrieved 28 May 2014. 
  • Anon (2006). "Percentages of Letter frequencies per Thousand words". Trinity College. Archived from the original on 25 January 2007. Retrieved 11 May 2015. 
  • Ciani, Keith D.; Sheldon, Kennon M. (2010). "A versus F: The effects of implicit letter priming on cognitive performance". British Journal of Educational Psychology. 80 (1): 99-119. doi:10.1348/000709909X466479. 
  • Diringer, David (2000). "A". In Bayer, Patricia. Encyclopedia Americana. I: A-Anjou (First ed.). Danbury, CT: Grolier Incorporated. ISBN 0-7172-0133-3. 
  • Gelb, I. J.; Whiting, R. M. (1998). "A". In Ranson, K. Anne. Academic American Encyclopedia. I: A-Ang (First ed.). Danbury, CT: Grolier Incorporated. ISBN 0-7172-2068-0. 
  • Hall-Quest, Olga Wilbourne (1997). "A". In Johnston, Bernard. Collier's Encyclopedia. I: A to Ameland (First ed.). New York, NY: P.F. Collier. 
  • Hoiberg, Dale H., ed. (2010). "A". Encyclopædia Britannica. 1: A-ak-Bayes. Chicago, IL: Encyclopædia Britannica, Inc. ISBN 978-1-59339-837-8. 
  • McCarter, P. Kyle (September 1974). "The Early Diffusion of the Alphabet". The Biblical Archaeologist. 37 (3): 54-68. doi:10.2307/3210965. JSTOR 3210965. 
  • Simpson, J. A.; Weiner, E.S.C., eds. (1989). "A". The Oxford English Dictionary. I: A-Bazouki (2nd ed.). Oxford, UK: Oxford University Press. ISBN 0-19-861213-3. 

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External links

  • History of the Alphabet
  • Texts on Wikisource:
    • "A" in A Dictionary of the English Language by Samuel Johnson
    • "A". Encyclopædia Britannica (11th ed.). 1911. 
    • "A". The New Student's Reference Work. 1914. 
    • "A". Collier's New Encyclopedia. 1921. 

Source of article : Wikipedia