[1] [CITE@ja[形式言語 - Wikipedia]], [TIME[2023-04-09T18:11:38.000Z]], [TIME[2023-04-13T02:42:38.321Z]] <https://ja.wikipedia.org/wiki/%E5%BD%A2%E5%BC%8F%E8%A8%80%E8%AA%9E>

[2] 
[[形式的記述言語]],
[[自然言語処理]],
[[言語学]]