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CapitalDifferentialD \[CapitalDifferentialD]

FilledSmallSquare Alias: AliasIndicatorDDAliasIndicator.

FilledSmallSquare Compound operator.

FilledSmallSquare can only be interpreted by default when it appears with or other integral operators.

FilledSmallSquare Used in mathematics to indicate a functional differential.

FilledSmallSquare See The Mathematica Book: Section 3.10.3.

FilledSmallSquare See also: \[DifferentialD] , \[DoubleStruckD] .