Roles an utterance can play

Every utterance serves the roles:

• evidence for an inductively constructed version of the language
• an assertion in the language (locutionary)
• action to obtain incentives (perlocutionary)

can manipulate:

• representations of reality in the language it's being spoken in (Farrell, Joseph and Rabin, Matthew 1996)
  • world
  • agents
  • incentives
  • language
• the language it's being spoken in
  • Epistemic games (textbooks: Blackburn, Modal Logic for Open Minds (Benthem))
  • (Wittgenstein, Ludwig 2010), (Parikh, Rohit and Ramanujam, Ramaswamy 2003)
• instrumental incentives of speaker and listener
  • not terminal?
  • (Farrell, Joseph and Rabin, Matthew 1996)