Last Updated：2025/11/23
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In the grammar specification, every non-terminal symbol must be assigned at least one production rule to ensure the language can be generated.
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In the grammar specification, every non-terminal symbol must be assigned at least one production rule to ensure the language can be generated.
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Related words
non-terminal symbol
Noun
Japanese Meaning
形式文法において、文の生成過程で最終的に終端記号へ展開される可能性のある記号。 / 文法で用いられる記号のうち、直接的に文の一部としては現れず、後に終端記号の並びに置き換えられる対象となる記号。
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