Taw

Taw, tav, or taf is the twenty-second and last letter of the Semitic abjads, including Phoenician Tāw , Hebrew Tav ת, Aramaic Taw , Syriac Taw ܬ, and Arabic Tāʼ ت (in abjadi order, 3rd in modern order). Its original sound value is /t/.

The Phoenician letter gave rise to the Greek tau (Τ), Latin T, and Cyrillic Т.

Origins of taw

Taw is believed to be derived from the Egyptian hieroglyph meaning "mark"

Hebrew tav

Hebrew spelling: תָו

Hebrew pronunciation

The letter tav in modern Hebrew usually represents a voiceless alveolar plosive: /t/.

Variations on written form and pronunciation

The letter tav is one of the six letters which can receive a dagesh kal diacritic, besides bet, gimel, dalet, kaph and pe. Three of them – bet, kaph and pe – have their sound values changed in modern Hebrew from the fricative to the plosive by adding a dagesh. In modern Hebrew, the other three – including tav – do not change their pronunciation with or without a dagesh, but have had alternate pronunciations at other times and places.

Tav (number)

In his work on set theory, Georg Cantor denoted the collection of all cardinal numbers by the last letter of the Hebrew alphabet, ת (transliterated as Taf, Tav, or Taw.) As Cantor realized, this collection could not itself have a cardinality, as this would lead to a paradox of the Burali-Forti type. Cantor instead said that it was an "inconsistent" collection which was absolutely infinite.

See also

  • Taw (letter)
  • Aleph number
  • Absolute Infinite
  • References

  • Gesammelte Abhandlungen, Georg Cantor, ed. Ernst Zermelo, Hildesheim: Georg Olms Verlagsbuchhandlung, 1962, pp. 443447; translated into English in From Frege to Gödel: A Source Book in Mathematical Logic, 1879-1931, ed. Jean van Heijenoort, Cambridge, Massachusetts: Harvard University Press, 1967, pp. 113117. These references both purport to be a letter from Cantor to Dedekind, dated July 28, 1899. However, as Ivor Grattan-Guinness has discovered, this is in fact an amalgamation by Cantor's editor, Ernst Zermelo, of two letters from Cantor to Dedekind, the first dated July 28 and the second dated August 3.
  • Taw (disambiguation)

    Taw or TAW may refer to:

  • Taw (letter), the twenty-second letter in many Semitic alphabets
  • Taw (number), the collection of all cardinal numbers
  • the shooter marble in a game of marbles
  • The River Taw in Devon, England
  • Taw (locomotive), a British narrow gauge railway locomotive built in 1897 for the Lynton and Barnstaple Railway, named after the river
  • a method to produce white leather
  • F-22 Total Air War, a fighter jet flight simulator game
  • Tomas Andersson Wij, Swedish singer and songwriter and journalist also artistically known by the initials TAW
  • Toa Airways, a Japanese airline
  • See also

  • Tau (disambiguation)
  • Tav (disambiguation)
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