This document discusses speech act theory, which analyzes how speakers use language to perform actions through their words. It covers:
1. An overview of speech act theory as developed by J.L. Austin and John Searle, who classified speech acts into different categories.
2. A taxonomy of speech acts that includes locutionary acts (the utterance itself), illocutionary acts (the intent or purpose), and prelocutionary acts (the effects on the listener). Illocutionary acts are further divided into representatives, directives, commissives, expressives, and declarations.
3. Felicity conditions that must be met for a speech act to be considered appropriate or "felicitous