User:Jshflynn/Definition:Linguistic structure
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Definition
Let $\Sigma$ be an alphabet.
Let $V$ be a language over $\Sigma$ and $\circ$ denote concatenation.
$(V, \circ)$ is a linguistic structure iff:
- $\forall \left({x, y}\right) \in V \times V: x \circ y \in V$.
That is, $V$ is closed under $\circ$.
Note
This term was invented. All linguistic structures are algebraic structures. Hence the name.