# Definition:Strictly Negative/Integer

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## Definition

The strictly negative integers are the set defined as:

 $\ds \Z_{< 0}$ $:=$ $\ds \set {x \in \Z: x < 0}$ $\ds$ $=$ $\ds \set {-1, -2, -3, \ldots}$

That is, all the integers that are strictly less than zero.