Intension

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Intension

In philosophy and linguistics, intension refers to the internal content of a concept, which is often contrasted with its extension. The intension of a term is the set of attributes or properties that the term connotes, while the extension is the set of all things the term applies to.

Philosophical Background[edit | edit source]

The distinction between intension and extension is a central topic in the philosophy of language and semantics. The concept was notably discussed by Gottlob Frege and later by Rudolf Carnap. Frege introduced the idea of sense and reference, where the sense (or intension) of a term is its mode of presentation, and the reference (or extension) is the actual object it refers to.

Linguistic Perspective[edit | edit source]

In linguistics, intension is crucial for understanding meaning and semantics. It helps in distinguishing between different types of meanings that a word or phrase can have. For example, the intension of the word "bachelor" includes the properties of being unmarried and male, while its extension includes all individuals who are bachelors.

Applications[edit | edit source]

Intension is used in various fields such as logic, computer science, and artificial intelligence. In formal semantics, intension is used to define the meaning of sentences in a precise manner. In artificial intelligence, understanding intension is important for natural language processing and knowledge representation.

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References[edit | edit source]

External Links[edit | edit source]

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