... Cambridge, UK (1985). Clark. H. and C. Marshall, "Definite Reference and Mutual Knowledge," in Joshi, Sag, and Webber (eds.} Element.~ of Discourse Understandin 9, Cambridge University ... both referential and attributive cases, the speaker knows that the right conditions on mutual knowledge are not satisfied for an SI action, and plans a description that he knows the hearer ... not stated rigorously, but are intended to give the reader an intuitive understanding of their preconditions and effects, and how they differ from each other. 5.1 Shared Concept Activation with...