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math.LO2018
Set-Theoretic Blockchains
Miha E. Habič, Joel David Hamkins, Lukas Daniel Klausner +2
Given a countable model of set theory, we study the structure of its generic multiverse, the collection of its forcing extensions and ground models, ordered by inclusion. Mostowski…
math.LO2018
Chains of P-points
Dilip Raghavan, Jonathan L. Verner
It is proved that the Continuum Hypothesis implies that any sequence of rapid P-points of length which is increasing with respect to the Rudin-Keisler ordering…