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Cup \[Cup]

FilledSmallSquare Infix operator.

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

FilledSmallSquare Used in pure mathematics to mean cup product.

FilledSmallSquare See The Mathematica Book: Section 3.10.4.

FilledSmallSquare See also: \[Cap] , \[Union] , \[CupCap] , \[RoundSpaceIndicator] , \[Breve] .