logic
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.
Examples
3 of 5It 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.
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.
I don't really get your logic, but if it works for you, go for it.
I don't understand your way of thinking.
Word Family
Memory Tip
Logic starts with 'L' just like 'Links.' Think of logic as the 'Links' that connect ideas together in a strong chain.
Quick Quiz
The detective used his powers of ___ to solve the mysterious case by connecting the hidden clues.
Correct!
The correct answer is: logic
Examples
It defies logic to go outside in the rain without an umbrella if you want to stay dry.
everydayIt doesn't make sense to go out in the rain without an umbrella.
The committee found a significant flaw in the logic of the proposed economic policy.
formalThe committee found a mistake in the reasoning of the policy.
I don't really get your logic, but if it works for you, go for it.
informalI don't understand your way of thinking.
In formal logic, a syllogism is a kind of logical argument that applies deductive reasoning.
academicIn the academic study of reasoning, a syllogism is a specific type of argument.
The business logic behind this acquisition is to consolidate our position in the European market.
businessThe strategic reasoning for this purchase is to strengthen our market position.
Word Family
Common Collocations
Common Phrases
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.
Often Confused With
Reasoning is the mental process of thinking; logic is the structured system or set of rules that defines if that reasoning is valid.
Usage Notes
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').
Common Mistakes
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.
Memory Tip
Logic starts with 'L' just like 'Links.' Think of logic as the 'Links' that connect ideas together in a strong chain.
Word Origin
Derived from the Ancient Greek word 'logikē', which means 'pertaining to reason or speech.'
Grammar Patterns
Cultural Context
In Western academic traditions, logic is one of the three original liberal arts (the Trivium), alongside grammar and rhetoric.
Quick Quiz
The detective used his powers of ___ to solve the mysterious case by connecting the hidden clues.
Correct!
The correct answer is: logic
Related Grammar Rules
Related Phrases
Related Vocabulary
Related Words
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individual
C1Relating to a single person or thing as distinct from a group. It describes something that is intended for, or used by, one person rather than a collective entity.
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B2To perform an action in a manner that is suitable, right, or proper for a particular situation, person, or occasion. It implies following specific social norms, professional standards, or logical requirements.
region
B2A region is an area of land that has common features, such as geography, climate, or culture, which distinguish it from other areas. It can refer to a large part of a country or the world and is often used in administrative or scientific contexts to organize space.
resource
B2A stock or supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively. In academic and informational contexts, it refers to a source of information or expertise used to support research or learning.
hypothesis
B1A hypothesis is a tentative statement or proposed explanation made on the basis of limited evidence. it serves as a starting point for further investigation and must be testable through scientific methods.
ozone
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layer
B2A layer is a single thickness, sheet, or level of a material that covers a surface or is placed between other things. It can refer to physical substances like paint and geological strata, or abstract levels of complexity and meaning.
around
C2As an adverb at a C2 level, it denotes presence, availability, or existence within a specific vicinity or context. It is also used to indicate approximate values or to describe movement or positioning that encircles a point or lacks a specific direction.
climate
B2Climate refers to the long-term patterns of weather conditions, such as temperature and rainfall, in a particular region over many years. It can also describe the prevailing mood, conditions, or social atmosphere of a specific time or place.
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