Meaning of LOGIC in English

lo ‧ gic /ˈlɒdʒɪk $ ˈlɑː-/ BrE AmE noun

[ Word Family: noun : ↑ logic ; adverb : ↑ logically ≠ ↑ illogically ; adjective : ↑ logical ≠ ↑ illogical ]

[ Date: 1300-1400 ; Language: French ; Origin: logique , from Latin logica , from Greek logike , from logos 'speech, word, reason' ]

1 . [singular, uncountable] a way of thinking about something that seems correct and reasonable, or a set of sensible reasons for doing something

logic behind

The logic behind this statement is faulty.

logic of

What’s the logic of your argument?

accept/follow/see sb’s logic

It’s easy to understand his logic.

There is a certain logic in their choice of architect.

commercial/industrial/economic logic

Commercial logic has forced the two parts of the company closer together.

2 . [uncountable] a formal method of reasoning, in which ideas are based on previous ideas

3 . [uncountable] technical a set of choices that a computer uses to solve a problem

• • •


■ verbs

▪ understand/see sb’s logic

I could not understand the logic of her actions.

▪ follow sb’s logic (=to use someone’s logic in an activity or situation)

Following this logic, none of these distressing conditions would be considered 'real' illnesses.

▪ use/apply logic

Why do we not apply the same logic in the way we treat animals?

▪ accept sb’s logic (=agree that a reason is correct)

The government should accept this logic and exempt all students from paying the tax.

▪ defy logic (=to not be reasonable)

It defies logic to import food that we can grow more easily and cheaply here.

▪ logic suggests something (=used when you want to argue that something is reasonable)

Logic suggests that if the air is warmer, more water evaporates.

▪ logic dictates something (=used to say that something will definitely happen because of logic)

Logic dictates that poorer people will be more affected by the rise in inflation.

■ adjectives

▪ commercial/industrial/economic etc logic

Reducing your carbon footprint is also backed by good economic logic.

▪ internal logic (=logic that seems sensible within a particular activity or situation)

Each major religion has its own internal logic.

▪ underlying logic (=logic that is important, but not easily noticed)

These word lists show students the underlying logic of English spelling.

▪ inexorable logic formal (=logic in which one thing leads to another in a way that cannot be avoided)

By the inexorable logic of war, the bombings provoked an even stronger response.

▪ impeccable logic (=very good logic)

He worked out, with impeccable logic, that the best thing to do would be to cooperate.

▪ a certain logic (=used when something does not seem sensible, but there are understandable reasons for it)

With a certain logic, the child said that ‘ten and one’ would be the next number after ten.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.