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arXiv 2104.12124cs.LOmath.LO
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关于一阶算术中的测度量词(长版)

On Measure Quantifiers in First-Order Arithmetic (Long Version)

Melissa Antonelli, Ugo Dal Lago, Paolo Pistone

摘要:

我们研究通过赋予一阶算术语言二阶测度量词而获得的逻辑。这种新的量化允许我们表示,在被量化变量的所有可能解释的某一部分中,论证公式为真。我们表明,一阶算术与测量量词是能够形式化的简单结果,从概率论,最重要的是,代表每一个递归随机函数。此外,我们引入了一个可实现的解释,这个逻辑中的程序有机会从康托空间的甲骨文。

英文摘要:

We study the logic obtained by endowing the language of first-order arithmetic with second-order measure quantifiers. This new kind of quantification allows us to express that the argument formula is true in a certain portion of all possible interpretations of the quantified variable. We show that first-order arithmetic with measure quantifiers is capable of formalizing simple results from probability theory and, most importantly, of representing every recursive random function. Moreover, we introduce a realizability interpretation of this logic in which programs have access to an oracle from the Cantor space.

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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