• Alias: ||. • Infix operator. • xy is by default interpreted as DoubleVerticalBar[x,y]. • Used in mathematics to indicate that x exactly divides y. • Used in geometry to mean "parallel to". • Not the same as \[LeftDoubleBracketingBar], \[RightDoubleBracketingBar]. • || is the alias for \[Or]. The alias for \[DoubleVerticalBar] has a space at the beginning. • See also: \[VerticalBar] , \[VerticalSeparator] , \[NotDoubleVerticalBar] .
\[DoubleVerticalBar]
||
y is by default interpreted as DoubleVerticalBar[x, y]. 