This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Mathematica Character Name

\[DoubleVerticalBar]

  • Unicode: 2225.
  • Alias: Esc || Esc.
  • Infix operator.
  • Used in mathematics to indicate that x exactly divides y.
  • Used in geometry to mean "parallel to".