Singular cardinals and strong extenders
classification
🧮 math.LO
keywords
singularkappastrongcardinalcardinalscircumstancesexistextender
read the original abstract
We investigate the circumstances under which there exist a singular cardinal $\mu$ and a short $(\kappa, \mu)$-extender $E$ witnessing "$\kappa$ is $\mu$-strong", such that $\mu$ is singular in $\Ult(V, E)$.
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