Definition:Lower Bound/Mapping
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Definition
Let $f: S \to T$ be a mapping whose codomain is a poset $\left({T, \preceq}\right)$.
Let $f$ be bounded below in $T$ by $H \in T$.
Then $H$ is a lower bound of $f$.
Also see
Sources
- K.G. Binmore: Mathematical Analysis: A Straightforward Approach (1977)... (previous)... (next): $\S 7.13$