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\[DownLeftVector]\[DownQuestion]

DownLeftVectorBar

DownLeftVectorBar \[DownLeftVectorBar]

FilledSmallSquare Infix arrow-like operator.

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

FilledSmallSquare Extensible character.

FilledSmallSquare See The Mathematica Book: Section 3.10.4.

FilledSmallSquare See also: \[LeftVectorBar] , \[LeftTeeVector] .

\[DownLeftVector]\[DownQuestion]