Definition:Lower Bound of Mapping/Real-Valued

Definition
Let $f: S \to \R$ be a real-valued function.

Let $f$ be bounded below in $T$ by $L \in T$.

Then $L$ is a lower bound of $f$.

Also see

 * Definition:Bounded Below Real-Valued Function


 * Definition:Bounded Above Real-Valued Function
 * Definition:Upper Bound of Real-Valued Function


 * Definition:Bounded Real-Valued Function


 * Definition:Lower Bound of Mapping
 * Definition:Bounded Below Mapping