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Sigma KEE  RealNumber
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RealNumber
Any
Number
that can be expressed as a (possibly infinite) decimal, i.e. any
Number
that has a position on the number line.
Relationships
Parents
Number
A measure of how many things there are, or how much there is, of a certain kind.
Number
s are subclassed into
RealNumber
,
ComplexNumber
, and
ImaginaryNumber
.
Children
BinaryNumber
Elements from the number system with base 2. Every
BinaryNumber
is expressed as a sequence of the digits 1 and 0.
IrrationalNumber
Any
RealNumber
that is not also a
RationalNumber
.
NegativeRealNumber
A
RealNumber
that is less than zero.
NonnegativeRealNumber
A
RealNumber
that is greater than or equal to zero.
RationalNumber
Any
RealNumber
that is the product of dividing two
Integer
s.
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Sigma version 3.0 is
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