Sum of Sequentially Computable Real-Valued Functions is Sequentially Computable
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Theorem
Let $D \subseteq \R^n$ be a subset of real cartesian $n$-space.
Let $f, g : D \to \R$ be sequentially computable.
Then, $h : D \to \R$ defined as:
- $\map h \bsx = \map f \bsx + \map g \bsx$
Proof
Follows immediately from:
- Real Addition is Sequentially Computable
- Composition of Sequentially Computable Real-Valued Functions is Sequentially Computable
$\blacksquare$