noun
non sequitur
A logical fallacy where the conclusion does not follow from the premises. Used in formal logic, debate, and critical thinking contexts.
彼の議論は不合理推論に満ちている。
His argument is full of non sequiturs.
この結論は不合理推論の典型例だ。
This conclusion is a typical example of a non sequitur.
A broader term for logical fallacies in general, while 不合理推論 specifically refers to the non sequitur fallacy.
Compound of 不合理 (irrational, unreasonable) and 推論 (inference, reasoning). The exact historical derivation is uncertain, but it is a modern technical term for the logical fallacy.