
NotExists[x,y]
displays as .


NotExists 
NotExists[x,y]
displays as .
Details

- NotExists[x,y] has no built-in meaning.
is by default interpreted as NotExists[x,y].
can be entered as \[NotExists] or
!ex
.
Examples
Basic Examples (1)
Tech Notes
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), NotExists, Wolfram Language function, https://reference.wolfram.com/language/ref/NotExists.html.
CMS
Wolfram Language. 1996. "NotExists." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/NotExists.html.
APA
Wolfram Language. (1996). NotExists. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/NotExists.html
BibTeX
@misc{reference.wolfram_2025_notexists, author="Wolfram Research", title="{NotExists}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/NotExists.html}", note=[Accessed: 08-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_notexists, organization={Wolfram Research}, title={NotExists}, year={1996}, url={https://reference.wolfram.com/language/ref/NotExists.html}, note=[Accessed: 08-August-2025]}