Definition of intension in English:


Syllabification: in·ten·sion
Pronunciation: /inˈtenSHən


1 Logic The internal content of a concept. Often contrasted with extension (sense 5).
More example sentences
  • All versions of externalism have in common that intensions don't determine extensions.
  • In the language of nominalism, the terms ‘black’ and ‘white’ purport to have mutually exclusive intensions and should therefore have mutually exclusive extensions, which they do not.
  • On the other hand, two sentences have the same intension if they are logically equivalent, i.e., their equivalence is due to the semantic rules of the language.


early 17th century (also in the sense 'straining, stretching'): from Latin intensio(n-), from intendere (see intend). sense 1 dates from the mid 19th century.



More example sentences
  • Logics which attempt to display the logical properties of intensional contexts are called intensional logics.
  • But there is what philosophers (at least this philosopher) think of as an extensional and an intensional way of describing our perceptions.
  • There are sentences which are neither extensional nor intensional; for example, belief-sentences.


Pronunciation: /-SHənl-ē/
More example sentences
  • Such a concern description is defined intensionally as a set of regular expressions.
  • It is made up of concepts and knowledge primitives intensionally contained in it.

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Pronunciation: ˈdeɪktɪk
denoting a word whose meaning depends on context...