The Complexity of the Core Model

William J. Mitchell

The Complexity of the Core Model

逻辑 2016-09-06 v1

作者: William J. Mitchell

摘要

We use the Sigma^1_3 absoluteness theorem to show that the complexity of the statement "(omega,E) $is isomorphic to an initial segment of the core model" is Pi^1_4, and that the complexity of the statement "(omega,E)$ is isomorphic to a member of the core model" is Delta^1_5.

引用

@article{arxiv.math/9210202,
  title  = {The Complexity of the Core Model},
  author = {William J. Mitchell},
  journal= {arXiv preprint arXiv:math/9210202},
  year   = {2016}
}

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