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LessLess \[LessLess]

FilledSmallSquare Infix ordering operator.

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

FilledSmallSquare Not the same as \[LeftGuillemet].

FilledSmallSquare See The Mathematica Book: Section 3.10.4.

FilledSmallSquare See also: \[NestedLessLess] , \[NotLessLess] , \[NotNestedLessLess] .