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The lexicographical order of two totally ordered sets is thus a linear extension of their product order. One can define similarly the lexicographic order on the Cartesian product of an infinite family of ordered sets, if the family is indexed by the natural numbers, or more generally by a well-ordered set. This generalized lexicographical order ...
In mathematics, lexicographical order is a means of ordering sequences in a manner analogous to that used to produce alphabetical order. [16] Some computer applications use a version of alphabetical order that can be achieved using a very simple algorithm, based purely on the ASCII or Unicode codes for characters. This may have non-standard ...
Hangul is a unique alphabet: it is a featural alphabet, where the design of many of the letters comes from a sound's place of articulation, like P looking like the widened mouth and L looking like the tongue pulled in. [47] [better source needed] The creation of Hangul was planned by the government of the day, [48] and it places individual ...
Shortlex ordering is also called radix, length-lexicographic, military, or genealogical ordering. [ 2 ] In the context of strings on a totally ordered alphabet, the shortlex order is identical to the lexicographical order, except that shorter strings precede longer strings.
The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
The names of the letters are for the most part direct descendants, via French, of the Latin (and Etruscan) names. (See Latin alphabet: Origins.) The regular phonological developments (in rough chronological order) are: palatalization before front vowels of Latin /k/ successively to /tʃ/, /ts/, and finally to Middle French /s/. Affects C.
These are other alphabets composed of something other than lines on a surface. Braille (Unified) – an embossed alphabet for the visually impaired, used with some extra letters to transcribe the Latin, Cyrillic, Greek, Hebrew, and Arabic alphabets, as well as Chinese; Braille (Korean) Braille (American) (defunct)
The term Latin alphabet may refer to either the alphabet used to write Latin (as described in this article) or other alphabets based on the Latin script, which is the basic set of letters common to the various alphabets descended from the classical Latin alphabet, such as the English alphabet.