DoubleVerticalBar[x,y,…]
displays as x∥y∥….


DoubleVerticalBar 
DoubleVerticalBar[x,y,…]
displays as x∥y∥….
Details

- DoubleVerticalBar[x,y,…] has no built-in meaning.
- x∥y is by default interpreted as DoubleVerticalBar[x,y].
- ∥ can be entered as \[DoubleVerticalBar] or
␣||
.
||
is the alias for \[Or]. The alias for \[DoubleVerticalBar] has a space at the beginning.
Examples
Basic Examples (1)
Tech Notes
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), DoubleVerticalBar, Wolfram Language function, https://reference.wolfram.com/language/ref/DoubleVerticalBar.html.
CMS
Wolfram Language. 1996. "DoubleVerticalBar." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/DoubleVerticalBar.html.
APA
Wolfram Language. (1996). DoubleVerticalBar. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/DoubleVerticalBar.html
BibTeX
@misc{reference.wolfram_2025_doubleverticalbar, author="Wolfram Research", title="{DoubleVerticalBar}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/DoubleVerticalBar.html}", note=[Accessed: 16-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_doubleverticalbar, organization={Wolfram Research}, title={DoubleVerticalBar}, year={1996}, url={https://reference.wolfram.com/language/ref/DoubleVerticalBar.html}, note=[Accessed: 16-August-2025]}