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arXiv 1910.02446cs.LOmath.LO
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基于全局结果的模态逻辑

Modal Logic via Global Consequence

Xuefeng Wen

摘要:

在模态逻辑中,语义结果通常由所有模型中所有世界的真值保持局部定义(关于一类框架)。它也可以通过在所有模型中保持真值来全局定义(相对于一类框架)。后者被称为整体后果,这是远远低于标准的局部研究。本文首先研究了局部推论和整体推论之间的关系。然后给出了整体结果的一些对应结果。最后,结合形式语义学中的信息推理和更新推理,给出了全局推理的两个应用。本文中的一些结果是已知的,为了完整起见,将其收集在本文中。其他人似乎是新的。我们认为,整体结果不仅在理论上是有趣的,而且在应用上也是有用的。

英文摘要:

In modal logic, semantic consequence is usually defined locally by truth preservation at all worlds in all models (with respect to a class of frames). It can also be defined globally by truth preservation in all models (with respect to a class of frames). The latter is called global consequence, which is much less studied than the standard local one. In this paper we first study the relationship between local and global consequence. Then we give some correspondence results for global consequence. Finally, we illustrate two applications of global consequence, connecting it with informational consequence and update consequence proposed in formal semantics. Some results in the paper are already known, which are collected in the paper for the sake of completeness. The others appear to be new. We suggest that global consequence is not only interesting theoretically, but also useful for application.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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