- "By the sense of a word we mean its place in a system of relationships which it contrasts with other words in the vocabulary." (Lyons 1968:427)
The sentences (i) and (ii) both have the same truth value (i.e. the same reference), but differ in sense.
(i) The Morning Star is the Evening Star (ii) The Morning Star is the Morning Star
- Frege, G. 1892. Uber Sinn und Bedeutung, Zeitschrift fur Philosophie und philosophische Kritik 100,
- Gamut, L.T.F. 1991. Logic, language, and meaning, Univ. of Chicago Press, Chicago.
- Lyons, John. 1968. Introduction to Theoretical Linguistics. Cambridge: Cambridge University Press.
- German Sinn