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SameQ (===)Less (<)

UnsameQ

FilledSmallSquarelhs =!= rhs yields True if the expression lhs is not identical to rhs, and yields False otherwise.

FilledSmallSquare See notes for SameQ.

FilledSmallSquare =!= =!= gives True if no two of the are identical.

FilledSmallSquare See The Mathematica Book: Section 2.3.5.

FilledSmallSquare See also: Equal, Order.

Further Examples

SameQ (===)Less (<)