B2 noun ニュートラル

logic

/ˈlɒdʒɪk/

Logic is the systematic study of valid inference and the principles of correct reasoning. It refers to a way of thinking that is sensible, consistent, and based on factual evidence rather than emotion.

例文

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1

It defies logic to go outside in the rain without an umbrella if you want to stay dry.

It doesn't make sense to go out in the rain without an umbrella.

2

The committee found a significant flaw in the logic of the proposed economic policy.

The committee found a mistake in the reasoning of the policy.

3

I don't really get your logic, but if it works for you, go for it.

I don't understand your way of thinking.

語族

名詞
logic
副詞
logically
形容詞
logical
関連
logician
💡

覚え方のコツ

Logic starts with 'L' just like 'Links.' Think of logic as the 'Links' that connect ideas together in a strong chain.

クイックテスト

The detective used his powers of ___ to solve the mysterious case by connecting the hidden clues.

正解!

正解は: logic

例文

1

It defies logic to go outside in the rain without an umbrella if you want to stay dry.

everyday

It doesn't make sense to go out in the rain without an umbrella.

2

The committee found a significant flaw in the logic of the proposed economic policy.

formal

The committee found a mistake in the reasoning of the policy.

3

I don't really get your logic, but if it works for you, go for it.

informal

I don't understand your way of thinking.

4

In formal logic, a syllogism is a kind of logical argument that applies deductive reasoning.

academic

In the academic study of reasoning, a syllogism is a specific type of argument.

5

The business logic behind this acquisition is to consolidate our position in the European market.

business

The strategic reasoning for this purchase is to strengthen our market position.

語族

名詞
logic
副詞
logically
形容詞
logical
関連
logician

よく使う組み合わせ

flaw in logic An error or mistake in a person's reasoning.
sound logic Reasoning that is valid, reliable, and based on good evidence.
follow the logic To understand the sequence of steps in an argument.
defy logic To be impossible to explain or completely unreasonable.
fuzzy logic A form of computing logic used to handle partial truths or approximations.

よく使うフレーズ

Circular logic

Reasoning where the conclusion is already assumed in the starting premise.

Flawless logic

An argument that is perfect and cannot be proven wrong.

The logic of the situation

The natural or expected consequence of a specific set of circumstances.

よく混同される語

logic vs reasoning

Reasoning is the mental process of thinking; logic is the structured system or set of rules that defines if that reasoning is valid.

📝

使い方のコツ

Logic can be used as an uncountable noun to refer to the field of study (e.g., 'He studied logic') or as a singular noun to describe a specific person's rationale (e.g., 'I don't see the logic in that').

⚠️

よくある間違い

Learners often say 'make logic' when they mean 'make sense.' While 'logic' is the system, 'sense' is the outcome of using logic correctly in everyday speech.

💡

覚え方のコツ

Logic starts with 'L' just like 'Links.' Think of logic as the 'Links' that connect ideas together in a strong chain.

📖

語源

Derived from the Ancient Greek word 'logikē', which means 'pertaining to reason or speech.'

文法パターン

Uncountable noun Usually used without an article when referring to the academic discipline Can be followed by 'behind' or 'of' (the logic behind the decision)
🌍

文化的な背景

In Western academic traditions, logic is one of the three original liberal arts (the Trivium), alongside grammar and rhetoric.

クイックテスト

The detective used his powers of ___ to solve the mysterious case by connecting the hidden clues.

正解!

正解は: logic

関連単語

majority

C1

The greater number or part of a whole, specifically more than half of a total amount or group. It is often used in political or statistical contexts to describe a group that holds the most power or influence.

method

C1

A systematic, logical, and established procedure for accomplishing a task or conducting research. It implies a structured series of steps designed to achieve a specific result or to gain knowledge in a disciplined manner.

occurrence

C1

An occurrence refers to an instance or event where something happens or exists. In a broader sense, it can also describe the frequency or prevalence of a particular phenomenon within a specific context or dataset.

percent

C1

A mathematical term representing a ratio or proportion out of one hundred. It is used extensively to describe changes, statistics, and probabilities in academic and professional contexts.

percentage

C2

A percentage is a rate, number, or amount in each hundred, used to express a proportion or ratio relative to a whole. In academic contexts, it specifically refers to the quantitative measurement of a subset compared to the total population or data set.

periodic

C2

In an academic or library context, a periodic refers to a publication that is issued at regular intervals, such as a scholarly journal, magazine, or newsletter. It is characterized by its recurring nature and is often archived in series to track the development of research or news over time.

principle

B2

A principle is a fundamental truth, law, or rule that serves as the foundation for a system of belief, behavior, or reasoning. It can also refer to a personal code of conduct that guides how an individual chooses to act in various situations.

requirement

C1

A thing that is needed or wanted; a condition that must be met in order to achieve a specific goal or comply with a rule. In formal and academic settings, it often refers to a compulsory qualification or a mandatory standard of performance.

respond

B2

To say or write something as a reply to a question, statement, or letter, or to react to something by taking action. In academic contexts, it often refers to how an organism, system, or person reacts to a specific stimulus or event.

responsive

C1

Characterized by reacting quickly and positively to suggestions, influences, or stimuli. In technical and academic contexts, it describes a system or organism that adapts efficiently to changing conditions or feedback.

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