Definition:Scope of Occurrence

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This page is about Scope of Occurrence in the context of Formal System. For other uses, see Scope.


Let $\FF$ be a formal language with alphabet $\AA$.

Let $\mathbf A$ be a well-formed formula of $\FF$.

Let $a$ be a fixed occurrence of some element of $\AA$ in $\mathbf A$.

Then the scope of $a$ is the smallest well-formed part of $\mathbf A$ that contains $a$.

Also see