The Integers are the real numbers with no fractional part. They are the numbers that can be reached by starting with $0$ and $1$ and repeatedly taking all possible sums and products.

The integers are the set:

• ${\;\ldots,\;-3,\;-2,\;-1,\;0,\;1,\;2,\;3,\;\ldots\;}$

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Integer
RealNumber
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CauchySequence
ContinuedFraction
DedekindCut
IrrationalNumber
RationalNumber
TranscendentalNumber