Definition:Negative/Rational Number

Definition
The negative rational numbers are the set defined as:
 * $\Q_{\le 0} := \set {x \in \Q: x \le 0}$

That is, all the rational numbers that are less than or equal to zero.

Also see

 * Definition:Strictly Negative Rational Number


 * Definition:Positive Rational Number
 * Definition:Strictly Positive Rational Number