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arxiv: 1601.03482 · v1 · pith:STLMIHPGnew · submitted 2016-01-14 · 🧮 math.LO

Collapsing the cardinals of HOD

classification 🧮 math.LO
keywords alphakappacardinaleveryinfiniteassumingcardinalscollapsing
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Assuming that $GCH$ holds and $\kappa$ is $\kappa^{+3}$-supercompact, we construct a generic extension $W$ of $V$ in which $\kappa$ remains strongly inaccessible and $(\alpha^+)^{HOD} < \alpha^+$ for every infinite cardinal $\alpha < \kappa$. In particular the rank-initial segment $W_\kappa$ is a model of ZFC in which $(\alpha^+)^{HOD} < \alpha^+$ for every infinite cardinal $\alpha$.

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