論ろん理り学がく者しゃ

noun

logician

A scholar or expert in logic; a person who studies or practices formal reasoning.

• 彼かれは有ゆう名めいな論ろん理り学がく者しゃで、多おおくの論ろん文ぶんを発はっ表ぴょうしている。

  He is a famous logician and has published many papers.