The Cambridge encyclopedia of the language sciences
Cambridge University Press
The British philosopher Herbert Paul Grice observed that the total significance of an utterance embraces not only “what is said” but what is implied. His term of art for the latter was “implicature，” and he identified conversational implicature as an important type of implicit meaning or signification.
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ISBN of the source publication: 9780521866897
Livingston, P. (2011). Conversational implicature. In P. C. Hogan (Ed.), The Cambridge encyclopedia of the language sciences (pp. 223-225). Cambridge: Cambridge University Press.