An extended predicative definition of the Mahlo universe

An extended predicative definition of the Mahlo universe
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Mahlo 宇宙的扩展预测定义

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通讯作者:
Anton Setzer
Anton Setzer
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作者:
Reinhard Kahle;Anton Setzer

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在本文中,我们使用扩展的谓词方法开发显式数学中的Mahlo宇宙。我们的方法不同于类型论中通常的构造,在类型论中Mahlo宇宙有一个构造函数,它将Mahlo宇宙中集合族的所有总函数引用到它自己;在缺乏进一步分析的情况下,这样的构造是不可预测的。通过扩展的预测方法,我们的意思是宇宙是从下面构建的,即使它们具有不可预测的特征
In this article we develop a Mahlo universe in Explicit Mathematics using extended predicative methods. Our approach differs from the usual construction in type theory, where the Mahlo universe has a constructor that refers to all total functions from families of sets in the Mahlo universe into itself; such a construction is, in the absence of a further analysis, impredicative. By extended predicative methods we mean that universes are constructed from below , even if they have impredicative characteristics