Formalization of Forcing in Isabelle/ZF

Emmanuel Gunther, Miguel Pagano and Pedro Sánchez Terraf

6 May 2020


We formalize the theory of forcing in the set theory framework of Isabelle/ZF. Under the assumption of the existence of a countable transitive model of ZFC, we construct a proper generic extension and show that the latter also satisfies ZFC.
BSD License


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