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Definition 2024


Unsupported_titles_Vertical_line_space_vertical_line

Unsupported titles/Enclosing vertical lines

See also: ‖ ‖

Translingual

| U+007C, |
VERTICAL LINE
{
[U+007B]
Basic Latin }
[U+007D]

Symbol

| |

  1. (mathematics) Used to mark absolute value.
    |-3| = 3
    The absolute value of negative three is three.
    For x = (1,1), and y = (4,5), |x – y| = √([1–4]2 + [1–5]2) = 5
    For x equals one, one and y equals four, five, the absolute value of the quantity x minus y is the square root of (open parentheses) the quantity one minus four squared plus the quantity one minus five squared (close parentheses) or five.
  2. (mathematics) Used to mark determinants.
    |A|
    The determinant of the matrix A
  3. (mathematics) Used to mark the operation of finding the cardinality of a set.
    The set three, five, seven, and nine has a cardinality of four.
  4. (mathematics) Used to note the number of connected components.
  5. See for the caesura used individually, and see ‖ ‖ for two caesuras enclosing other text.

Synonyms