Roles an utterance can play

Every utterance serves the roles:

• evidence for an inductively constructed version of the language Lewis

• an assertion in the language (locutionary) Austin

• action to obtain incentives (perlocutionary)

can manipulate:

• representations of reality in the language it's being spoken in Farrell & Rabin

  • world

  • agents

  • incentives

  • language

• the language it's being spoken in

  • Epistemic games (textbooks: Blackburn, Modal Logic for Open Minds (Benthem))

  • WittgensteinParikh & Ramanujam

• instrumental incentives of speaker and listener

  • not terminal?

  • Farrell & Rabin