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NotDoubleVerticalBar \[NotDoubleVerticalBar]

FilledSmallSquare Alias: AliasIndicator!||AliasIndicator.

FilledSmallSquare Infix operator.

FilledSmallSquare x y is by default interpreted as NotDoubleVerticalBar[x, y].

FilledSmallSquare Used in geometry to mean "not parallel to".

FilledSmallSquare See Section 3.10.4.

FilledSmallSquare See also: \[DoubleVerticalBar] , \[NotVerticalBar] , \[UpTee] .