In this chapter, non-prioritized belief change based on adjustments in the strengths of beliefs is comprehensively addressed. Various operators such as improvements, credibility-limited improvements, decrements, promotions, and moderated revisions are outlined. Each operator is detailed in terms of formal properties, constructive definitions, and practical relevance. The chapter clarifies how nuanced adjustments in belief strengths impact epistemic states and the resilience of beliefs.

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Non-prioritized Belief Change Based on Changes in the Strengths of Beliefs

  • Eduardo Fermé,
  • Marco Garapa,
  • Maurício D. L. Reis

摘要

In this chapter, non-prioritized belief change based on adjustments in the strengths of beliefs is comprehensively addressed. Various operators such as improvements, credibility-limited improvements, decrements, promotions, and moderated revisions are outlined. Each operator is detailed in terms of formal properties, constructive definitions, and practical relevance. The chapter clarifies how nuanced adjustments in belief strengths impact epistemic states and the resilience of beliefs.