# Intensional

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Not to be confused with [Intentional](/source/Intentional).

**Intensional**, related to [intension](/source/Intension), may refer to:

Look up ***[intensional](https://en.wiktionary.org/wiki/intensional)*** in Wiktionary, the free dictionary.

## Intensional

- in philosophy of language: not extensional. See also [intensional definition](/source/Intensional_definition) versus extensional definition

- in philosophy of mind: an intensional state is a state which has a propositional content

- in mathematical logic: see [intensional statement](/source/Intensional_statement). See also extensionality, and also intensional definition versus extensional definition

- [Intensional logic](/source/Intensional_logic) embraces the study of intensional languages: at least one of their functors is intensional. It can be contrasted to extensional logic

- [Intensional fallacy](/source/Intensional_fallacy), committed when one makes an illicit use of Leibniz's law in an argument

- See also: [Musical form](/source/Musical_form)

Topics referred to by the same term

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Adapted from the Wikipedia article [Intensional](https://en.wikipedia.org/wiki/Intensional) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Intensional?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.