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\[NotSquareSupersetEqual]\[NotSubsetEqual]

NotSubset

NotSubset \[NotSubset]

FilledSmallSquare Alias: AliasIndicator!subAliasIndicator.

FilledSmallSquare Infix set relation operator.

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

FilledSmallSquare See The Mathematica Book: Section 3.10.4.

FilledSmallSquare See also: \[NotSubsetEqual] , \[Subset] .

\[NotSquareSupersetEqual]\[NotSubsetEqual]