In linguistics, logic, philosophy, and other fields, an intension is any property or quality connoted by a word, phrase or other symbol. In the case of a word, it is often implied by the word's definition. The term may also refer to all such intensions collectively, although the term comprehension is technically more correct for this.
- the signifier — the "sound image" or string of letters on a page that one recognizes as a sign.
- the signified — the concept or idea that a sign evokes.
- the referent — the actual thing or set of things a sign refers to. See Dyadic signs and Reference (semantics).
Intension and intensionality (the state of having intension) should not be confused with intention and intentionality, which are pronounced the same and occasionally arise in the same philosophical context. Where this happens, the letter s or t is sometimes italicized to emphasize the distinction.
- Ferdinand De Saussure: Course in General Linguistics. Open Court Classics, July 1986. ISBN 0-812-69023-0
- S. E. Palmer, Vision Science: From Photons to Phenomenology, 1999. MIT Press, ISBN 78-0262161831
- Rapaport, William J. "Intensionality v. Intentionality".