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arXiv 1107.2603math.LOmath.RA
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具有选择结构的诱导柱形代数

Induced Cylindric Algebras of Choice Structures

Zoltan Molnar

摘要:

希尔伯特微积分的外延性公理所隐含的一个好处是,微积分相对于作为语义的选择结构变得完备。该公理的另一个含义是,在一个理论的正则模型的论域上导出一个代数,它同构于该理论的Lindenbaum-Tarski代数的一个商代数。特别地,在布尔代数或一元代数的情况下,sigma完备模型理论的规范模型同构于由外延性公理导出的代数。

英文摘要:

One of the benefit properties implied by the extensionality axiom of Hilbert's epsilon calculus is that the calculus becomes complete with respect to the choice structures as semantics. Another implication of the axiom, discussed in the paper, is that an algebra is induced over the universe of the canonical model of a theory, which is isomorphic to a quotient algebra of the Lindenbaum--Tarski algebra of the theory. Especially, in the case of Boolean or monadic algebras, the canonical model of the theory of a sigma complete model is isomorphic to the algebra induced by the axiom of extensionality.

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