... specification of the initial and final states of the discourse pair of sets of situation-types for a variety of speech act-types, involving an elaboration of the role of inference cnahling functions and ... David Andreoff Evans Stanford University 1. INTRODUCTION During thc past two decades, much work in linguistics has focused on sentences as minimal units of communication, and the project of ... situations, which in turn consist of objects having properties and standing in relationships. Any actual situation is far too rich in detail to be captured by any finite process, so in practice,,...