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Sigma KEE - NonnegativeRealNumber
KB Term: 

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NonnegativeRealNumber
A RealNumber that is greater than or equal to zero.
Relationships      
Parents RealNumber Any Number that can be expressed as a (possibly infinite) decimal, i.e. any Number that has a position on the number line.
Children NonnegativeIntegerAn Integer that is greater than or equal to zero.
 PositiveRealNumberA RealNumber that is greater than zero.


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