mid-14c., "branch of philosophy that treats of forms of thinking," from Old French logique (13c.), from Latin (ars) logica, from Greek logike (techne) "reasoning (art)," from fem. of logikos "pertaining to speaking or reasoning," from logos "reason, idea, word" (see logos). Meaning "logical argumentation" is from c. 1600.
例文
1. By now all logic had gone out of the window.
この時点では論理的ではありません。
2.Apart from criminal investigation techniques,students learn forensic medicine,philosophy and logic .
犯罪捜査技術のほか、学生たちは法医学、哲学、論理学を学ぶ。
3.They asked her some searching questions on moral philosophy and logic .
彼らは彼女に倫理学と論理学に関するいくつかの問題を深く尋ねた。/
4.Viruses and logic bombs can doubtless dogreat damage under some circumstances.
ウイルスや論理爆弾は、場合によっては大きな被害をもたらすに違いない。
5. Logic had prevailed and he had abandoned the idea.