DoubleUpArrow 
DoubleUpArrow
DoubleUpArrow[x,y,…]
displays as x⇑y⇑….
Details
- DoubleUpArrow[x,y,…] has no built-in meaning.
- x⇑y is by default interpreted as DoubleUpArrow[x,y].
- ⇑ can be entered as \[DoubleUpArrow].
Examples
Basic Examples (2)
Typeset output automatically uses the corresponding character:
DoubleUpArrow[x, y, z]An input using the typeset character gives a DoubleUpArrow expression:
x⇑y⇑z//FullForm
Wolfram Research (1996), DoubleUpArrow, Wolfram Language function, https://reference.wolfram.com/language/ref/DoubleUpArrow.html.
Text
Wolfram Research (1996), DoubleUpArrow, Wolfram Language function, https://reference.wolfram.com/language/ref/DoubleUpArrow.html.
CMS
Wolfram Language. 1996. "DoubleUpArrow." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/DoubleUpArrow.html.
APA
Wolfram Language. (1996). DoubleUpArrow. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/DoubleUpArrow.html