logic
/ˈlɒdʒ.ɪk/ IELTSAcademic
noun
Logic is the use of clear thinking to reach a reasoned conclusion. It is also the system or rules behind correct reasoning.
- Her argument makes perfect logic.
- There is no logic in that decision.
Adinary Nuance
Logic is about reasoning that follows clear rules. It is not the same as facts, and it is not just a smart idea. Use reason when you mean the mental act of thinking carefully, and logic when you mean the structure or fairness of that thinking. Use common sense for practical everyday judgment.
In other languages
- Vietnamese
- logic
- Spanish
- lógica
- Chinese
- 逻辑
- Japanese
- 論理
- Korean
- 논리
Etymology
Logic comes from Greek logikē, from logos meaning “word,” “reason,” or “thought.” It came into English through Old French in the late Middle Ages.
Common phrases
logic and reasonthe logic of the argumentthere is no logic in itby logic
Synonyms
Related words
Frequently asked questions
- Is logic the same as reason?
- Not exactly. Reason is the act of thinking carefully, while logic is the way that thinking is structured.
- Can I say 'the logic of' in formal writing?
- Yes. It is common in academic and business writing, especially in phrases like 'the logic of the plan.'
- Is logic a countable noun?
- Usually no. We normally say 'logic' without an article when talking about reasoning in general.