This is documentation for Mathematica 3, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
 Documentation / Mathematica / The Mathematica Book / Reference Guide / Listing of Named Characters  /

  • Alias: l|.
  • Matchfix operator.

  • x is by default interpreted as BracketingBar[

  • Used in mathematics to indicate absolute value (Abs), determinant (Det), and other notions of evaluating size or magnitude.
  • Not the same as \[VerticalBar].
  • Drawn in monospaced fonts with a small left-pointing tee to indicate direction.
  • Extensible character.
  • See The Mathematica Book: Section 3.10.1Section 3.10.4.
  • See also: \[LeftDoubleBracketingBar], \[LeftTee].