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
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作者:
Reinhard Kahle;Anton Setzer
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