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arXiv 1908.02708math.LO
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论反基础公理模型的双成员图

On double-membership graphs of models of Anti-Foundation

Bea Adam-Day, John Howe, Rosario Mennuni

AI总结:

本文研究反基础公理可数模型在双成员关系下的归约图,证明此类图有连续统多个,并刻画其连通分量与完全理论,同时证明每个理论具有连续统多个可数模型,其中部分模型并非反基础公理模型的归约。

摘要:

我们回答了关于作为反基础公理可数模型归约的图的一些问题,这些图通过考虑双成员二元关系 $x\in y\in x$ 得到。我们证明存在连续统多个这样的图,并研究它们的连通分量。我们描述了它们的完全理论,并证明每个理论都有连续统多个可数模型,其中一些不是反基础公理模型的归约。

英文摘要:

We answer some questions about graphs which are reducts of countable models of Anti-Foundation, obtained by considering the binary relation of double-membership $x\in y\in x$. We show that there are continuum-many such graphs, and study their connected components. We describe their complete theories and prove that each has continuum-many countable models, some of which are not reducts of models of Anti-Foundation.

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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