On the Contextual Constructiveness of Presupposition

The concept of pragmatic presupposition is heterogeneous.Deep explorations into the distinctive features of pragmatic presupposition disclose some of its implicit functions.Introductory presupposition is of great significance to the construction of cognitive contexts of literary text.Linearisation,local interpretation and the principle of analogy are three basic laws in cognitive contextual construction.During the reading process,the introductory presupposition,together with the three basic contextual construction principles,helps construct the cognitive contexts and the theme of the whole literary text.