言語の生成文法
Generative grammar
言語の文を生成する規則
Rules for generating a sentence
終端記号(e.g. 「山」)と非終端記号(e.g. [名詞])
Terminal symbol (e.g. "mountain") and non-terminal symbol (e.g. noun)
[名詞] ← 「山」
noun <= "mountain"
[名詞句] ← [形容詞] [名詞]
noun phrase <= adjective + noun