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CapitalDelta \[CapitalDelta]

FilledSmallSquare Aliases: AliasIndicatorDAliasIndicator, AliasIndicatorDeltaAliasIndicator.

FilledSmallSquare Greek letter.

FilledSmallSquare Not the same as \[EmptyUpTriangle].

FilledSmallSquare Sometimes used in mathematics to denote Laplacian.

FilledSmallSquare See The Mathematica Book: Section 1.10.1 and Section 3.10.3.

FilledSmallSquare See also: \[Delta] , \[Del] .