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NotLess \[NotLess]

FilledSmallSquare Alias: AliasIndicator!<AliasIndicator.

FilledSmallSquare Infix ordering operator.

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

FilledSmallSquare is equivalent to only for a totally ordered set.

FilledSmallSquare See The Mathematica Book: Section 3.10.4.

FilledSmallSquare See also: \[RawLess] .