循じゅん環かん論ろん法ぽう

noun

circular reasoning; circular logic

A logical fallacy where the conclusion is assumed in the premise. Used in formal and academic contexts.

• 彼かれの主しゅ張ちょうは循じゅん環かん論ろん法ぽうに陥おちいっている。

  His argument falls into circular reasoning.

• 循じゅん環かん論ろん法ぽうは論ろん理り学がくでよく取とり上あげられる誤ご謬びゅうの一ひとつだ。

  Circular reasoning is one of the fallacies often discussed in logic.