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NonNegative

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

MORE INFORMATION

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

Basic Examples (1)

Evaluate different types of numbers:

Quantities that are not NumericQ remain unevaluated:

Negative Positive NonPositive Sign Greater Simplify Assumptions

Testing Expressions

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