This is documentation for Mathematica 4, which was
based on an earlier version of the Wolfram Language.
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\[UpArrow]\[UpArrowDownArrow]

UpArrowBar

UpArrowBar \[UpArrowBar]

FilledSmallSquare Infix arrow operator.

FilledSmallSquarex y is by default interpreted as UpArrowBar[x, y].

FilledSmallSquare Extensible character.

FilledSmallSquare See The Mathematica Book: Section 3.10.4.

FilledSmallSquare See also: \[UpTeeArrow] , \[LeftUpVectorBar] .

\[UpArrow]\[UpArrowDownArrow]