Transitive Models of Fragments of ZFC

Emmanuel Gunther, Miguel Pagano, Pedro Sánchez Terraf and Matías Steinberg

3 March 2022


We extend the ZF-Constructibility library by relativizing theories of the Isabelle/ZF and Delta System Lemma sessions to a transitive class. We also relativize Paulson's work on Aleph and our former treatment of the Axiom of Dependent Choices. This work is a prerrequisite to our formalization of the independence of the Continuum Hypothesis.
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