From Wiktionary, the free dictionary
Jump to navigation Jump to search
See also: 𐍊

U+2191, ↑
UPWARDS ARROW

[U+2190]
Arrows
[U+2192]

Translingual

[edit]

Description

[edit]

An arrow pointing up.

Symbol

[edit]

  1. Up, above.
    Antonym:
  2. Northward.
  3. Indicating an increase or elevation.
    Antonym:
  4. (phonetics)
    (a) (rare) egressive airstream mechanism when used with a letter for an ingressive sound, e.g. [ʘ↑]
    (b) exhalation when used alone, [↑].
    Antonym:
  5. (number theory, computer science) exponentiation
    Synonym: ^, **
  6. (number theory) Knuth arrow
  7. (go) an evaluation of a game position, up, in combinatorial-game-theory notation: {0|*}.[1][2]
    Antonym:
  8. (computing) The up-arrow key on a computer keyboard, used for navigation and various keyboard commands.

Usage notes

[edit]
  • (go): Arrows are iconically iterated: ⇑ ≡ ↑ + ↑; ⤊ ≡ ↑ + ↑ + ↑; ⟰ ≡ ↑ + ↑ + ↑ + ↑. The evaluations ⟨↑ are equivalent to with the positions of black and white reversed.[1]

References

[edit]
  1. 1.0 1.1 Elwyn Berlekamp & David Wolfe (1994) Mathematical Go: Chilling Gets the Last Point, A. K. Peters Ltd, p. 18ff
  2. ^ Fraenkel, Aviezri S. (1978). "Review: On numbers and games, by J. H. Conway; and Surreal numbers, by D. E. Knuth" (PDF). Bull. Amer. Math. Soc. 84 (6): 1328–1336. doi:10.1090/s0002-9904-1978-14564-9, p. 1330.

Further reading

[edit]

English

[edit]

Etymology

[edit]

Borrowed from Japanese .

Symbol

[edit]

  1. (Can we verify(+) this sense?) (Japan, slang) Used to denote an unusually high intonation.

Antonyms

[edit]

Japanese

[edit]

Symbol

[edit]

  1. (slang) Used to denote an unusually high intonation.

Antonyms

[edit]