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FilledSmallSquare NonNegative[x] gives True if x is a non-negative number.

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

FilledSmallSquare See also: Negative, Positive, Sign, Greater, Simplify, Assumptions.

FilledSmallSquare New in Version 1.

Further Examples