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FilledSmallSquare Negative[x] gives True if x is a negative number.

FilledSmallSquare Negative[x] gives False if x is manifestly a non-negative or complex numerical quantity. Otherwise, it remains unevaluated.

FilledSmallSquare See also: NonNegative, Positive, Sign, Less, Simplify, Assumptions.

FilledSmallSquare New in Version 1.

Further Examples