On truth-gaps, bipolar belief and the assertability of vague propositions

  title={On truth-gaps, bipolar belief and the assertability of vague propositions},
  author={Jonathan Lawry and Yongchuan Tang},
  journal={Artif. Intell.},
This paper proposes an integrated approach to indeterminacy and epistemic uncertainty in order to model an intelligent agent’s decision making about the assertability of vague statements. Initially, valuation pairs are introduced as a model of truth-gaps for propositional logic sentences. These take the form of lower and upper truth-valuations representing absolutely true and not absolutely false respectively. In particular, we consider valuation pairs based on supervaluationist principles and… CONTINUE READING
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