作为效用的真理：一种概念综合
Truth as Utility: A Conceptual Synthesis
摘要：
本文介绍了综合功利和逻辑概念的概念关系，扩展了雷舍尔的偏好逻辑。我们首先定义，在一个可能的世界模型的背景下，约束依赖的措施，量化的相对质量的替代解决方案的推理问题或相对可取的各种政策的控制，决策和规划问题。我们表明，这些措施可以被解释为真值在多值逻辑和提出的机制，复杂的约束表示为简单的限制的组合。这些扩展的逻辑运算也允许将特定目标的质量度量组合和聚合成效用的全局度量。我们还确定代表不同的偏好之间的替代解决方案的关系，并将它们与先前定义的可取性措施。扩展传统的模态逻辑公式，我们介绍了结构的表示无知的效用的替代解决方案。最后，我们研究这些概念之间的关系和基于相似性的语义模型的模糊逻辑。
英文摘要：
This paper introduces conceptual relations that synthesize utilitarian and logical concepts, extending the logics of preference of Rescher. We define first, in the context of a possible worlds model, constraint-dependent measures that quantify the relative quality of alternative solutions of reasoning problems or the relative desirability of various policies in control, decision, and planning problems. We show that these measures may be interpreted as truth values in a multi valued logic and propose mechanisms for the representation of complex constraints as combinations of simpler restrictions. These extended logical operations permit also the combination and aggregation of goal-specific quality measures into global measures of utility. We identify also relations that represent differential preferences between alternative solutions and relate them to the previously defined desirability measures. Extending conventional modal logic formulations, we introduce structures for the representation of ignorance about the utility of alternative solutions. Finally, we examine relations between these concepts and similarity based semantic models of fuzzy logic.
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