Non-negative rational number
Set
definiendum | $ r \in\mathbb Q_+ $ |
context | $ r \in \mathbb Q $ |
postulate | $ r \ge 0 $ |
Discussion
Reference
Wikipedia: Rational number
definiendum | $ r \in\mathbb Q_+ $ |
context | $ r \in \mathbb Q $ |
postulate | $ r \ge 0 $ |
Wikipedia: Rational number