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arXiv 2303.06205math.LOmath-phmath.MP
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偏序对与融合性质

Pairs of partial orders and the amalgamation property

Paolo Lipparini

AI总结:

本文利用超融合性质证明带有更粗偏序等附加关系的偏序集及各类代数结构具有强融合性质与Fraïssé极限,并指出因果空间适用而Urquhart双序集不适用,凸显超融合性质在纯模型论中的价值。

摘要:

我们证明了带有更粗的偏序、线性化或辅助关系的偏序集、格、半格、布尔代数、Heyting代数的理论具有强融合性质、Fraïssé极限,且在许多情况下具有带量词消去的ω-范畴模型完备。这同样适用于Kronheimer和Penrose的因果空间。另一方面,Urquhart双序集不具备融合性质。我们的主要工具是超融合性质(强融合性质尚不足),因此提供了进一步的论据,表明超融合性质不仅在纯模型论中,,而不仅仅在代数逻辑中是有用的。summary_cn

英文摘要:

We show that the theories of partially ordered sets, lattices, semilattices, Boolean algebras, Heyting algebras with a further coarser partial order, or a linearization, or an auxiliary relation have the strong amalgamation property, Fra\"ıssé limits and, in many cases, an $ ω$-categorical model completion with quantifier elimination. The same applies to Kronheimer and Penrose's causal spaces. On the other hand, Urquhart doubly ordered sets do not have the amalgamation property. Our main tool is the superamalgamation property (the strong amalgamation property is not enough), thus we provide further arguments suggesting the usefulness of the superamalgamation property also in pure model theory, not only in algebraic logic.

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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