| But he moves beyond Austin and Searle's tripartite distinction between locution, illocution, and perlocution. |
| When an interlocutor poses a question that is accepted by others, we may represent the change as an addition to Common Ground of the set of propositions that is the Interrogative content of that illocution. |
| In particular, speech act theory is built on his discussion of locution, illocution, and perlocution. |
| Perlocutions are characteristic aims of one or more illocution, but are not themselves illocutions. |
| These implicit aspects of the message go beyond the locutionary act itself and also beyond the explicit aspects of its illocution. |
| When an interlocutor proffers an assertion that is not met with objections by others in the conversation, the Propositional content of that illocution will enter into common ground. |
