On the Evolution of Truth

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Jeffrey Alan Barrett
preprint description
This paper is concerned with how a simple metalanguage might coevolve with a simple descriptive base language in the context of interacting Skyrms-Lewis signaling games. We will first consider a metagame that evolves to track the successful and unsuccessful use of a coevolving base language, then we will consider a metagame that evolves to track the truth of expressions in a coevolving base language. We will see how a metagame that tracks truth provides an endogenous way to break the symmetry between indicative and imperative interpretations of the base language. Finally, we will consider how composite signaling games provide a way to characterize alternative pragmatic notions of truth.