# logic

[ˈlɑːdʒɪk]

## logic Definition

• 1reasoning conducted or assessed according to strict principles of validity
• 2a system or set of principles underlying the arrangements of elements in a computer or electronic device so as to perform a specified task

## Using logic: Examples

Take a moment to familiarize yourself with how "logic" can be used in various situations through the following examples!

• Example

The logic of his argument was unassailable.

• Example

The program is designed to follow a specific logic.

• Example

The logic of the situation dictated that we should leave immediately.

## Idioms Using logic

• ### inalllogic

according to what seems reasonable or likely

Example

In all logic, he should have arrived by now.

• ### goagainstalllogic

to be completely unreasonable or unlikely

Example

Her decision to quit her job and travel the world went against all logic.

• ### followthelogic

to understand and accept the reasoning behind something

Example

Once you follow the logic, it becomes clear why we need to take this action.

## Phrases with logic

• ### fuzzylogic

a form of many-valued logic in which the truth values of variables may be any real number between 0 and 1 inclusive

Example

Fuzzy logic is used in artificial intelligence applications to handle uncertainty.

• ### modallogic

a type of formal logic that extends classical propositional and predicate logic to include operators expressing modality

Example

Modal logic is used in philosophy to reason about necessity and possibility.

• ### Booleanlogic

a type of algebraic logic that deals with binary variables and logic gates

Example

Boolean logic is used in digital electronics and computer programming.

## Origins of logic

from Greek 'logikē', meaning 'art of reasoning'

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## Summary: logic in Brief

The term 'logic' [ˈlɑːdʒɪk] refers to reasoning conducted according to strict principles of validity. It can also refer to the system or principles underlying the arrangement of elements in a computer or electronic device. Examples of its use include 'The logic of his argument was unassailable.' and 'The program is designed to follow a specific logic.' Phrases like 'fuzzy logic' and 'Boolean logic' denote specific types of logic, while idioms like 'in all logic' and 'go against all logic' express reasonableness and unreasonableness, respectively.

How do native speakers use this expression?

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