Definition:Order Sum/Informal Interpretation
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Definition
We can consider the order sum $\struct {S \preccurlyeq} := \struct {S_1 \preccurlyeq_1} \oplus \struct {S_2 \preccurlyeq_2}$ as:
Note that:
- $\forall x \in S_1, y \in S_2: \tuple {x, 0} \preccurlyeq \tuple {y, 1}$
That is, every element of $S_1$ is comparable with every element of $S_2$.